Home / 8,799.09-12,132.77-5,608.11

Finding the Fourth Proportional to 8,799.09, 12,132.77 and 5,608.11

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Solution

The fourth proportional to 8,799.09, 12,132.77 and 5,608.11 is: 7,732.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,799.09 : 12,132.77 = 5,608.11 : x
  2. Step 2: Convert to fraction form
    8,799.09/12,132.77 = 5,608.11/x
  3. Step 3: Cross multiply
    8,799.09x = 12,132.77 × 5,608.11
  4. Step 4: Simplify right side
    8,799.09x = 68,041,908.76
  5. Step 5: Solve for x
    x = 68,041,908.76/8,799.09
  6. Step 6: Final answer
    x = 7,732.83

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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.