Home / 8,859.48-13,278.28-3,591.54

Finding the Fourth Proportional to 8,859.48, 13,278.28 and 3,591.54

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Solution

The fourth proportional to 8,859.48, 13,278.28 and 3,591.54 is: 5,382.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,859.48 : 13,278.28 = 3,591.54 : x
  2. Step 2: Convert to fraction form
    8,859.48/13,278.28 = 3,591.54/x
  3. Step 3: Cross multiply
    8,859.48x = 13,278.28 × 3,591.54
  4. Step 4: Simplify right side
    8,859.48x = 47,689,471.51
  5. Step 5: Solve for x
    x = 47,689,471.51/8,859.48
  6. Step 6: Final answer
    x = 5,382.88

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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.