Home / 5,227.32-7,841.07-1,278.59

Finding the Fourth Proportional to 5,227.32, 7,841.07 and 1,278.59

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Solution

The fourth proportional to 5,227.32, 7,841.07 and 1,278.59 is: 1,917.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,227.32 : 7,841.07 = 1,278.59 : x
  2. Step 2: Convert to fraction form
    5,227.32/7,841.07 = 1,278.59/x
  3. Step 3: Cross multiply
    5,227.32x = 7,841.07 × 1,278.59
  4. Step 4: Simplify right side
    5,227.32x = 10,025,474.49
  5. Step 5: Solve for x
    x = 10,025,474.49/5,227.32
  6. Step 6: Final answer
    x = 1,917.90

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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.