Home / 5,641.28-8,459.30-3,008.12

Finding the Fourth Proportional to 5,641.28, 8,459.30 and 3,008.12

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Solution

The fourth proportional to 5,641.28, 8,459.30 and 3,008.12 is: 4,510.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,641.28 : 8,459.30 = 3,008.12 : x
  2. Step 2: Convert to fraction form
    5,641.28/8,459.30 = 3,008.12/x
  3. Step 3: Cross multiply
    5,641.28x = 8,459.30 × 3,008.12
  4. Step 4: Simplify right side
    5,641.28x = 25,446,589.52
  5. Step 5: Solve for x
    x = 25,446,589.52/5,641.28
  6. Step 6: Final answer
    x = 4,510.78

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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.