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Finding the Fourth Proportional to 6,702.42, 9,248.54 and 3,717.53

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Solution

The fourth proportional to 6,702.42, 9,248.54 and 3,717.53 is: 5,129.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,702.42 : 9,248.54 = 3,717.53 : x
  2. Step 2: Convert to fraction form
    6,702.42/9,248.54 = 3,717.53/x
  3. Step 3: Cross multiply
    6,702.42x = 9,248.54 × 3,717.53
  4. Step 4: Simplify right side
    6,702.42x = 34,381,687.96
  5. Step 5: Solve for x
    x = 34,381,687.96/6,702.42
  6. Step 6: Final answer
    x = 5,129.74

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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.