Home / 8,132.47-11,222.72-4,406.47

Finding the Fourth Proportional to 8,132.47, 11,222.72 and 4,406.47

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Solution

The fourth proportional to 8,132.47, 11,222.72 and 4,406.47 is: 6,080.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,132.47 : 11,222.72 = 4,406.47 : x
  2. Step 2: Convert to fraction form
    8,132.47/11,222.72 = 4,406.47/x
  3. Step 3: Cross multiply
    8,132.47x = 11,222.72 × 4,406.47
  4. Step 4: Simplify right side
    8,132.47x = 49,452,545.43
  5. Step 5: Solve for x
    x = 49,452,545.43/8,132.47
  6. Step 6: Final answer
    x = 6,080.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.