Home / 8,214.20-11,332.38-5,064.92

Finding the Fourth Proportional to 8,214.20, 11,332.38 and 5,064.92

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Solution

The fourth proportional to 8,214.20, 11,332.38 and 5,064.92 is: 6,987.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,214.20 : 11,332.38 = 5,064.92 : x
  2. Step 2: Convert to fraction form
    8,214.20/11,332.38 = 5,064.92/x
  3. Step 3: Cross multiply
    8,214.20x = 11,332.38 × 5,064.92
  4. Step 4: Simplify right side
    8,214.20x = 57,397,598.11
  5. Step 5: Solve for x
    x = 57,397,598.11/8,214.20
  6. Step 6: Final answer
    x = 6,987.61

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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.