Home / 6,132.39-9,120.20-6,066.78

Finding the Fourth Proportional to 6,132.39, 9,120.20 and 6,066.78

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Solution

The fourth proportional to 6,132.39, 9,120.20 and 6,066.78 is: 9,022.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,132.39 : 9,120.20 = 6,066.78 : x
  2. Step 2: Convert to fraction form
    6,132.39/9,120.20 = 6,066.78/x
  3. Step 3: Cross multiply
    6,132.39x = 9,120.20 × 6,066.78
  4. Step 4: Simplify right side
    6,132.39x = 55,330,262.12
  5. Step 5: Solve for x
    x = 55,330,262.12/6,132.39
  6. Step 6: Final answer
    x = 9,022.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.