Home / 8,229.41-11,356.59-4,645.13

Finding the Fourth Proportional to 8,229.41, 11,356.59 and 4,645.13

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Solution

The fourth proportional to 8,229.41, 11,356.59 and 4,645.13 is: 6,410.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,229.41 : 11,356.59 = 4,645.13 : x
  2. Step 2: Convert to fraction form
    8,229.41/11,356.59 = 4,645.13/x
  3. Step 3: Cross multiply
    8,229.41x = 11,356.59 × 4,645.13
  4. Step 4: Simplify right side
    8,229.41x = 52,752,780.12
  5. Step 5: Solve for x
    x = 52,752,780.12/8,229.41
  6. Step 6: Final answer
    x = 6,410.28

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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.