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Finding the Fourth Proportional to 8,881.98, 13,319.50 and 3,332.30

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Solution

The fourth proportional to 8,881.98, 13,319.50 and 3,332.30 is: 4,997.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,881.98 : 13,319.50 = 3,332.30 : x
  2. Step 2: Convert to fraction form
    8,881.98/13,319.50 = 3,332.30/x
  3. Step 3: Cross multiply
    8,881.98x = 13,319.50 × 3,332.30
  4. Step 4: Simplify right side
    8,881.98x = 44,384,569.85
  5. Step 5: Solve for x
    x = 44,384,569.85/8,881.98
  6. Step 6: Final answer
    x = 4,997.15

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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.