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Finding the Fourth Proportional to 6,620.40, 9,932.13 and 2,460.42

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Solution

The fourth proportional to 6,620.40, 9,932.13 and 2,460.42 is: 3,691.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,620.40 : 9,932.13 = 2,460.42 : x
  2. Step 2: Convert to fraction form
    6,620.40/9,932.13 = 2,460.42/x
  3. Step 3: Cross multiply
    6,620.40x = 9,932.13 × 2,460.42
  4. Step 4: Simplify right side
    6,620.40x = 24,437,211.29
  5. Step 5: Solve for x
    x = 24,437,211.29/6,620.40
  6. Step 6: Final answer
    x = 3,691.20

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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.