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Finding the Fourth Proportional to 8,754.14, 12,080.88 and 4,977.45

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Solution

The fourth proportional to 8,754.14, 12,080.88 and 4,977.45 is: 6,868.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,754.14 : 12,080.88 = 4,977.45 : x
  2. Step 2: Convert to fraction form
    8,754.14/12,080.88 = 4,977.45/x
  3. Step 3: Cross multiply
    8,754.14x = 12,080.88 × 4,977.45
  4. Step 4: Simplify right side
    8,754.14x = 60,131,976.16
  5. Step 5: Solve for x
    x = 60,131,976.16/8,754.14
  6. Step 6: Final answer
    x = 6,868.97

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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.