Home / 7,934.16-11,901.39-2,668.20

Finding the Fourth Proportional to 7,934.16, 11,901.39 and 2,668.20

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Solution

The fourth proportional to 7,934.16, 11,901.39 and 2,668.20 is: 4,002.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,934.16 : 11,901.39 = 2,668.20 : x
  2. Step 2: Convert to fraction form
    7,934.16/11,901.39 = 2,668.20/x
  3. Step 3: Cross multiply
    7,934.16x = 11,901.39 × 2,668.20
  4. Step 4: Simplify right side
    7,934.16x = 31,755,229.29
  5. Step 5: Solve for x
    x = 31,755,229.29/7,934.16
  6. Step 6: Final answer
    x = 4,002.34

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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.