Home / 5,350.28-7,385.45-4,789.76

Finding the Fourth Proportional to 5,350.28, 7,385.45 and 4,789.76

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Solution

The fourth proportional to 5,350.28, 7,385.45 and 4,789.76 is: 6,611.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,350.28 : 7,385.45 = 4,789.76 : x
  2. Step 2: Convert to fraction form
    5,350.28/7,385.45 = 4,789.76/x
  3. Step 3: Cross multiply
    5,350.28x = 7,385.45 × 4,789.76
  4. Step 4: Simplify right side
    5,350.28x = 35,374,472.12
  5. Step 5: Solve for x
    x = 35,374,472.12/5,350.28
  6. Step 6: Final answer
    x = 6,611.71

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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.