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Finding the Fourth Proportional to 8,899.34, 13,348.90 and 3,637.17

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Solution

The fourth proportional to 8,899.34, 13,348.90 and 3,637.17 is: 5,455.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,899.34 : 13,348.90 = 3,637.17 : x
  2. Step 2: Convert to fraction form
    8,899.34/13,348.90 = 3,637.17/x
  3. Step 3: Cross multiply
    8,899.34x = 13,348.90 × 3,637.17
  4. Step 4: Simplify right side
    8,899.34x = 48,552,223.16
  5. Step 5: Solve for x
    x = 48,552,223.16/8,899.34
  6. Step 6: Final answer
    x = 5,455.71

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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.