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Finding the Fourth Proportional to 6,620.79, 9,932.78 and 2,460.93

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Solution

The fourth proportional to 6,620.79, 9,932.78 and 2,460.93 is: 3,691.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,620.79 : 9,932.78 = 2,460.93 : x
  2. Step 2: Convert to fraction form
    6,620.79/9,932.78 = 2,460.93/x
  3. Step 3: Cross multiply
    6,620.79x = 9,932.78 × 2,460.93
  4. Step 4: Simplify right side
    6,620.79x = 24,443,887.22
  5. Step 5: Solve for x
    x = 24,443,887.22/6,620.79
  6. Step 6: Final answer
    x = 3,691.99

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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.