Home / 7,402.20-10,209.27-4,417.39

Finding the Fourth Proportional to 7,402.20, 10,209.27 and 4,417.39

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Solution

The fourth proportional to 7,402.20, 10,209.27 and 4,417.39 is: 6,092.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,402.20 : 10,209.27 = 4,417.39 : x
  2. Step 2: Convert to fraction form
    7,402.20/10,209.27 = 4,417.39/x
  3. Step 3: Cross multiply
    7,402.20x = 10,209.27 × 4,417.39
  4. Step 4: Simplify right side
    7,402.20x = 45,098,327.21
  5. Step 5: Solve for x
    x = 45,098,327.21/7,402.20
  6. Step 6: Final answer
    x = 6,092.56

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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.