Home / 8,668.13-11,961.97-4,689.23

Finding the Fourth Proportional to 8,668.13, 11,961.97 and 4,689.23

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Solution

The fourth proportional to 8,668.13, 11,961.97 and 4,689.23 is: 6,471.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,668.13 : 11,961.97 = 4,689.23 : x
  2. Step 2: Convert to fraction form
    8,668.13/11,961.97 = 4,689.23/x
  3. Step 3: Cross multiply
    8,668.13x = 11,961.97 × 4,689.23
  4. Step 4: Simplify right side
    8,668.13x = 56,092,357.05
  5. Step 5: Solve for x
    x = 56,092,357.05/8,668.13
  6. Step 6: Final answer
    x = 6,471.11

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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.