Home / 5,778.62-7,974.50-3,126.04

Finding the Fourth Proportional to 5,778.62, 7,974.50 and 3,126.04

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Solution

The fourth proportional to 5,778.62, 7,974.50 and 3,126.04 is: 4,313.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,778.62 : 7,974.50 = 3,126.04 : x
  2. Step 2: Convert to fraction form
    5,778.62/7,974.50 = 3,126.04/x
  3. Step 3: Cross multiply
    5,778.62x = 7,974.50 × 3,126.04
  4. Step 4: Simplify right side
    5,778.62x = 24,928,605.98
  5. Step 5: Solve for x
    x = 24,928,605.98/5,778.62
  6. Step 6: Final answer
    x = 4,313.94

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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.