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Finding the Fourth Proportional to 5,912.97, 8,870.76 and 1,753.31

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Solution

The fourth proportional to 5,912.97, 8,870.76 and 1,753.31 is: 2,630.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,912.97 : 8,870.76 = 1,753.31 : x
  2. Step 2: Convert to fraction form
    5,912.97/8,870.76 = 1,753.31/x
  3. Step 3: Cross multiply
    5,912.97x = 8,870.76 × 1,753.31
  4. Step 4: Simplify right side
    5,912.97x = 15,553,192.22
  5. Step 5: Solve for x
    x = 15,553,192.22/5,912.97
  6. Step 6: Final answer
    x = 2,630.35

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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.