Home / 4,406.63-6,609.29-1,285.79

Finding the Fourth Proportional to 4,406.63, 6,609.29 and 1,285.79

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Solution

The fourth proportional to 4,406.63, 6,609.29 and 1,285.79 is: 1,928.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,406.63 : 6,609.29 = 1,285.79 : x
  2. Step 2: Convert to fraction form
    4,406.63/6,609.29 = 1,285.79/x
  3. Step 3: Cross multiply
    4,406.63x = 6,609.29 × 1,285.79
  4. Step 4: Simplify right side
    4,406.63x = 8,498,178.95
  5. Step 5: Solve for x
    x = 8,498,178.95/4,406.63
  6. Step 6: Final answer
    x = 1,928.50

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Double scale
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Similar ratio
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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.