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Finding the Fourth Proportional to 8,886.57, 13,342.14 and 4,507.08

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Solution

The fourth proportional to 8,886.57, 13,342.14 and 4,507.08 is: 6,766.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,886.57 : 13,342.14 = 4,507.08 : x
  2. Step 2: Convert to fraction form
    8,886.57/13,342.14 = 4,507.08/x
  3. Step 3: Cross multiply
    8,886.57x = 13,342.14 × 4,507.08
  4. Step 4: Simplify right side
    8,886.57x = 60,134,092.35
  5. Step 5: Solve for x
    x = 60,134,092.35/8,886.57
  6. Step 6: Final answer
    x = 6,766.85

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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.