Home / 4,667.28-6,441.59-2,778.95

Finding the Fourth Proportional to 4,667.28, 6,441.59 and 2,778.95

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Solution

The fourth proportional to 4,667.28, 6,441.59 and 2,778.95 is: 3,835.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,667.28 : 6,441.59 = 2,778.95 : x
  2. Step 2: Convert to fraction form
    4,667.28/6,441.59 = 2,778.95/x
  3. Step 3: Cross multiply
    4,667.28x = 6,441.59 × 2,778.95
  4. Step 4: Simplify right side
    4,667.28x = 17,900,810.43
  5. Step 5: Solve for x
    x = 17,900,810.43/4,667.28
  6. Step 6: Final answer
    x = 3,835.38

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Find fourth proportional to 2,333.64, 3,220.79 and 1,389.47
Half scale
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Double scale
Find fourth proportional to 4,668.28, 6,442.97 and 2,779.95
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.