Home / 8,989.28-13,482.24-2,747.76

Finding the Fourth Proportional to 8,989.28, 13,482.24 and 2,747.76

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Solution

The fourth proportional to 8,989.28, 13,482.24 and 2,747.76 is: 4,121.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,989.28 : 13,482.24 = 2,747.76 : x
  2. Step 2: Convert to fraction form
    8,989.28/13,482.24 = 2,747.76/x
  3. Step 3: Cross multiply
    8,989.28x = 13,482.24 × 2,747.76
  4. Step 4: Simplify right side
    8,989.28x = 37,045,959.78
  5. Step 5: Solve for x
    x = 37,045,959.78/8,989.28
  6. Step 6: Final answer
    x = 4,121.13

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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.