Home / 4,641.60-6,402.24-3,149.04

Finding the Fourth Proportional to 4,641.60, 6,402.24 and 3,149.04

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Solution

The fourth proportional to 4,641.60, 6,402.24 and 3,149.04 is: 4,343.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,641.60 : 6,402.24 = 3,149.04 : x
  2. Step 2: Convert to fraction form
    4,641.60/6,402.24 = 3,149.04/x
  3. Step 3: Cross multiply
    4,641.60x = 6,402.24 × 3,149.04
  4. Step 4: Simplify right side
    4,641.60x = 20,160,909.85
  5. Step 5: Solve for x
    x = 20,160,909.85/4,641.60
  6. Step 6: Final answer
    x = 4,343.53

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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.