Home / 7,957.98-11,937.06-2,763.90

Finding the Fourth Proportional to 7,957.98, 11,937.06 and 2,763.90

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Solution

The fourth proportional to 7,957.98, 11,937.06 and 2,763.90 is: 4,145.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,957.98 : 11,937.06 = 2,763.90 : x
  2. Step 2: Convert to fraction form
    7,957.98/11,937.06 = 2,763.90/x
  3. Step 3: Cross multiply
    7,957.98x = 11,937.06 × 2,763.90
  4. Step 4: Simplify right side
    7,957.98x = 32,992,840.13
  5. Step 5: Solve for x
    x = 32,992,840.13/7,957.98
  6. Step 6: Final answer
    x = 4,145.88

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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.