Home / 8,062.28-12,100.03-7,127.80

Finding the Fourth Proportional to 8,062.28, 12,100.03 and 7,127.80

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Solution

The fourth proportional to 8,062.28, 12,100.03 and 7,127.80 is: 10,697.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,062.28 : 12,100.03 = 7,127.80 : x
  2. Step 2: Convert to fraction form
    8,062.28/12,100.03 = 7,127.80/x
  3. Step 3: Cross multiply
    8,062.28x = 12,100.03 × 7,127.80
  4. Step 4: Simplify right side
    8,062.28x = 86,246,585.86
  5. Step 5: Solve for x
    x = 86,246,585.86/8,062.28
  6. Step 6: Final answer
    x = 10,697.54

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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.