Home / 6,687.08-9,228.03-3,702.90

Finding the Fourth Proportional to 6,687.08, 9,228.03 and 3,702.90

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Solution

The fourth proportional to 6,687.08, 9,228.03 and 3,702.90 is: 5,109.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,687.08 : 9,228.03 = 3,702.90 : x
  2. Step 2: Convert to fraction form
    6,687.08/9,228.03 = 3,702.90/x
  3. Step 3: Cross multiply
    6,687.08x = 9,228.03 × 3,702.90
  4. Step 4: Simplify right side
    6,687.08x = 34,170,472.29
  5. Step 5: Solve for x
    x = 34,170,472.29/6,687.08
  6. Step 6: Final answer
    x = 5,109.93

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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.