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Finding the Fourth Proportional to 8,475.84, 11,695.59 and 4,938.17

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Solution

The fourth proportional to 8,475.84, 11,695.59 and 4,938.17 is: 6,814.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,475.84 : 11,695.59 = 4,938.17 : x
  2. Step 2: Convert to fraction form
    8,475.84/11,695.59 = 4,938.17/x
  3. Step 3: Cross multiply
    8,475.84x = 11,695.59 × 4,938.17
  4. Step 4: Simplify right side
    8,475.84x = 57,754,753.19
  5. Step 5: Solve for x
    x = 57,754,753.19/8,475.84
  6. Step 6: Final answer
    x = 6,814.04

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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.