Home / 4,753.80-7,126.83-1,982.55

Finding the Fourth Proportional to 4,753.80, 7,126.83 and 1,982.55

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Solution

The fourth proportional to 4,753.80, 7,126.83 and 1,982.55 is: 2,972.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,753.80 : 7,126.83 = 1,982.55 : x
  2. Step 2: Convert to fraction form
    4,753.80/7,126.83 = 1,982.55/x
  3. Step 3: Cross multiply
    4,753.80x = 7,126.83 × 1,982.55
  4. Step 4: Simplify right side
    4,753.80x = 14,129,296.82
  5. Step 5: Solve for x
    x = 14,129,296.82/4,753.80
  6. Step 6: Final answer
    x = 2,972.21

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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.