Home / 9,209.52-12,719.79-6,702.87

Finding the Fourth Proportional to 9,209.52, 12,719.79 and 6,702.87

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Solution

The fourth proportional to 9,209.52, 12,719.79 and 6,702.87 is: 9,257.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,209.52 : 12,719.79 = 6,702.87 : x
  2. Step 2: Convert to fraction form
    9,209.52/12,719.79 = 6,702.87/x
  3. Step 3: Cross multiply
    9,209.52x = 12,719.79 × 6,702.87
  4. Step 4: Simplify right side
    9,209.52x = 85,259,098.80
  5. Step 5: Solve for x
    x = 85,259,098.80/9,209.52
  6. Step 6: Final answer
    x = 9,257.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.