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Finding the Fourth Proportional to 6,538.86, 9,753.08 and 5,553.90

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Solution

The fourth proportional to 6,538.86, 9,753.08 and 5,553.90 is: 8,283.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,538.86 : 9,753.08 = 5,553.90 : x
  2. Step 2: Convert to fraction form
    6,538.86/9,753.08 = 5,553.90/x
  3. Step 3: Cross multiply
    6,538.86x = 9,753.08 × 5,553.90
  4. Step 4: Simplify right side
    6,538.86x = 54,167,603.24
  5. Step 5: Solve for x
    x = 54,167,603.24/6,538.86
  6. Step 6: Final answer
    x = 8,283.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.