Home / 6,687.26-9,228.28-3,702.92

Finding the Fourth Proportional to 6,687.26, 9,228.28 and 3,702.92

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Solution

The fourth proportional to 6,687.26, 9,228.28 and 3,702.92 is: 5,109.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,687.26 : 9,228.28 = 3,702.92 : x
  2. Step 2: Convert to fraction form
    6,687.26/9,228.28 = 3,702.92/x
  3. Step 3: Cross multiply
    6,687.26x = 9,228.28 × 3,702.92
  4. Step 4: Simplify right side
    6,687.26x = 34,171,534.12
  5. Step 5: Solve for x
    x = 34,171,534.12/6,687.26
  6. Step 6: Final answer
    x = 5,109.95

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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.