Home / 6,686.75-9,227.60-3,702.52

Finding the Fourth Proportional to 6,686.75, 9,227.60 and 3,702.52

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Solution

The fourth proportional to 6,686.75, 9,227.60 and 3,702.52 is: 5,109.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,686.75 : 9,227.60 = 3,702.52 : x
  2. Step 2: Convert to fraction form
    6,686.75/9,227.60 = 3,702.52/x
  3. Step 3: Cross multiply
    6,686.75x = 9,227.60 × 3,702.52
  4. Step 4: Simplify right side
    6,686.75x = 34,165,353.86
  5. Step 5: Solve for x
    x = 34,165,353.86/6,686.75
  6. Step 6: Final answer
    x = 5,109.41

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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.