Home / 8,614.20-11,887.08-5,078.52

Finding the Fourth Proportional to 8,614.20, 11,887.08 and 5,078.52

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Solution

The fourth proportional to 8,614.20, 11,887.08 and 5,078.52 is: 7,008.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,614.20 : 11,887.08 = 5,078.52 : x
  2. Step 2: Convert to fraction form
    8,614.20/11,887.08 = 5,078.52/x
  3. Step 3: Cross multiply
    8,614.20x = 11,887.08 × 5,078.52
  4. Step 4: Simplify right side
    8,614.20x = 60,368,773.52
  5. Step 5: Solve for x
    x = 60,368,773.52/8,614.20
  6. Step 6: Final answer
    x = 7,008.05

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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.