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Finding the Fourth Proportional to 5,977.76, 8,963.76 and 3,382.88

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Solution

The fourth proportional to 5,977.76, 8,963.76 and 3,382.88 is: 5,072.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,977.76 : 8,963.76 = 3,382.88 : x
  2. Step 2: Convert to fraction form
    5,977.76/8,963.76 = 3,382.88/x
  3. Step 3: Cross multiply
    5,977.76x = 8,963.76 × 3,382.88
  4. Step 4: Simplify right side
    5,977.76x = 30,323,324.43
  5. Step 5: Solve for x
    x = 30,323,324.43/5,977.76
  6. Step 6: Final answer
    x = 5,072.69

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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.