Home / 8,154.12-11,249.52-5,767.60

Finding the Fourth Proportional to 8,154.12, 11,249.52 and 5,767.60

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Solution

The fourth proportional to 8,154.12, 11,249.52 and 5,767.60 is: 7,957.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,154.12 : 11,249.52 = 5,767.60 : x
  2. Step 2: Convert to fraction form
    8,154.12/11,249.52 = 5,767.60/x
  3. Step 3: Cross multiply
    8,154.12x = 11,249.52 × 5,767.60
  4. Step 4: Simplify right side
    8,154.12x = 64,882,731.55
  5. Step 5: Solve for x
    x = 64,882,731.55/8,154.12
  6. Step 6: Final answer
    x = 7,957.05

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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.