Home / 7,035.38-10,543.83-5,177.78

Finding the Fourth Proportional to 7,035.38, 10,543.83 and 5,177.78

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Solution

The fourth proportional to 7,035.38, 10,543.83 and 5,177.78 is: 7,759.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,035.38 : 10,543.83 = 5,177.78 : x
  2. Step 2: Convert to fraction form
    7,035.38/10,543.83 = 5,177.78/x
  3. Step 3: Cross multiply
    7,035.38x = 10,543.83 × 5,177.78
  4. Step 4: Simplify right side
    7,035.38x = 54,593,632.10
  5. Step 5: Solve for x
    x = 54,593,632.10/7,035.38
  6. Step 6: Final answer
    x = 7,759.87

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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.