Home / 7,177.32-10,750.40-3,471.78

Finding the Fourth Proportional to 7,177.32, 10,750.40 and 3,471.78

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Solution

The fourth proportional to 7,177.32, 10,750.40 and 3,471.78 is: 5,200.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,177.32 : 10,750.40 = 3,471.78 : x
  2. Step 2: Convert to fraction form
    7,177.32/10,750.40 = 3,471.78/x
  3. Step 3: Cross multiply
    7,177.32x = 10,750.40 × 3,471.78
  4. Step 4: Simplify right side
    7,177.32x = 37,323,010.69
  5. Step 5: Solve for x
    x = 37,323,010.69/7,177.32
  6. Step 6: Final answer
    x = 5,200.13

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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.