Home / 8,645.44-11,934.66-5,505.88

Finding the Fourth Proportional to 8,645.44, 11,934.66 and 5,505.88

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Solution

The fourth proportional to 8,645.44, 11,934.66 and 5,505.88 is: 7,600.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,645.44 : 11,934.66 = 5,505.88 : x
  2. Step 2: Convert to fraction form
    8,645.44/11,934.66 = 5,505.88/x
  3. Step 3: Cross multiply
    8,645.44x = 11,934.66 × 5,505.88
  4. Step 4: Simplify right side
    8,645.44x = 65,710,805.80
  5. Step 5: Solve for x
    x = 65,710,805.80/8,645.44
  6. Step 6: Final answer
    x = 7,600.63

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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.