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Finding the Fourth Proportional to 8,593.23, 12,867.98 and 5,662.65

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Solution

The fourth proportional to 8,593.23, 12,867.98 and 5,662.65 is: 8,479.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,593.23 : 12,867.98 = 5,662.65 : x
  2. Step 2: Convert to fraction form
    8,593.23/12,867.98 = 5,662.65/x
  3. Step 3: Cross multiply
    8,593.23x = 12,867.98 × 5,662.65
  4. Step 4: Simplify right side
    8,593.23x = 72,866,886.89
  5. Step 5: Solve for x
    x = 72,866,886.89/8,593.23
  6. Step 6: Final answer
    x = 8,479.57

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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.