Home / 4,742.91-6,545.52-3,146.76

Finding the Fourth Proportional to 4,742.91, 6,545.52 and 3,146.76

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Solution

The fourth proportional to 4,742.91, 6,545.52 and 3,146.76 is: 4,342.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,742.91 : 6,545.52 = 3,146.76 : x
  2. Step 2: Convert to fraction form
    4,742.91/6,545.52 = 3,146.76/x
  3. Step 3: Cross multiply
    4,742.91x = 6,545.52 × 3,146.76
  4. Step 4: Simplify right side
    4,742.91x = 20,597,180.52
  5. Step 5: Solve for x
    x = 20,597,180.52/4,742.91
  6. Step 6: Final answer
    x = 4,342.73

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Double scale
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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.