Home / 8,088.80-12,131.16-5,741.92

Finding the Fourth Proportional to 8,088.80, 12,131.16 and 5,741.92

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Solution

The fourth proportional to 8,088.80, 12,131.16 and 5,741.92 is: 8,611.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,088.80 : 12,131.16 = 5,741.92 : x
  2. Step 2: Convert to fraction form
    8,088.80/12,131.16 = 5,741.92/x
  3. Step 3: Cross multiply
    8,088.80x = 12,131.16 × 5,741.92
  4. Step 4: Simplify right side
    8,088.80x = 69,656,150.23
  5. Step 5: Solve for x
    x = 69,656,150.23/8,088.80
  6. Step 6: Final answer
    x = 8,611.43

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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.