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Finding the Fourth Proportional to 8,865.39, 13,294 and 2,623.17

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Solution

The fourth proportional to 8,865.39, 13,294 and 2,623.17 is: 3,933.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,865.39 : 13,294 = 2,623.17 : x
  2. Step 2: Convert to fraction form
    8,865.39/13,294 = 2,623.17/x
  3. Step 3: Cross multiply
    8,865.39x = 13,294 × 2,623.17
  4. Step 4: Simplify right side
    8,865.39x = 34,872,421.98
  5. Step 5: Solve for x
    x = 34,872,421.98/8,865.39
  6. Step 6: Final answer
    x = 3,933.55

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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.