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Finding the Fourth Proportional to 8,899.72, 13,337.70 and 3,702.76

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Solution

The fourth proportional to 8,899.72, 13,337.70 and 3,702.76 is: 5,549.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,899.72 : 13,337.70 = 3,702.76 : x
  2. Step 2: Convert to fraction form
    8,899.72/13,337.70 = 3,702.76/x
  3. Step 3: Cross multiply
    8,899.72x = 13,337.70 × 3,702.76
  4. Step 4: Simplify right side
    8,899.72x = 49,386,302.05
  5. Step 5: Solve for x
    x = 49,386,302.05/8,899.72
  6. Step 6: Final answer
    x = 5,549.20

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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.