Home / 4,778.30-7,169.48-2,314.95

Finding the Fourth Proportional to 4,778.30, 7,169.48 and 2,314.95

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Solution

The fourth proportional to 4,778.30, 7,169.48 and 2,314.95 is: 3,473.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,778.30 : 7,169.48 = 2,314.95 : x
  2. Step 2: Convert to fraction form
    4,778.30/7,169.48 = 2,314.95/x
  3. Step 3: Cross multiply
    4,778.30x = 7,169.48 × 2,314.95
  4. Step 4: Simplify right side
    4,778.30x = 16,596,976.15
  5. Step 5: Solve for x
    x = 16,596,976.15/4,778.30
  6. Step 6: Final answer
    x = 3,473.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.