Home / 4,151.76-6,229.91-1,686.83

Finding the Fourth Proportional to 4,151.76, 6,229.91 and 1,686.83

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Solution

The fourth proportional to 4,151.76, 6,229.91 and 1,686.83 is: 2,531.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,151.76 : 6,229.91 = 1,686.83 : x
  2. Step 2: Convert to fraction form
    4,151.76/6,229.91 = 1,686.83/x
  3. Step 3: Cross multiply
    4,151.76x = 6,229.91 × 1,686.83
  4. Step 4: Simplify right side
    4,151.76x = 10,508,772.15
  5. Step 5: Solve for x
    x = 10,508,772.15/4,151.76
  6. Step 6: Final answer
    x = 2,531.16

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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.