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Finding the Fourth Proportional to 8,737.06, 13,080.98 and 7,851.33

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Solution

The fourth proportional to 8,737.06, 13,080.98 and 7,851.33 is: 11,754.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,737.06 : 13,080.98 = 7,851.33 : x
  2. Step 2: Convert to fraction form
    8,737.06/13,080.98 = 7,851.33/x
  3. Step 3: Cross multiply
    8,737.06x = 13,080.98 × 7,851.33
  4. Step 4: Simplify right side
    8,737.06x = 102,703,090.70
  5. Step 5: Solve for x
    x = 102,703,090.70/8,737.06
  6. Step 6: Final answer
    x = 11,754.88

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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.