Home / 7,439.11-11,158.34-2,508.73

Finding the Fourth Proportional to 7,439.11, 11,158.34 and 2,508.73

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Solution

The fourth proportional to 7,439.11, 11,158.34 and 2,508.73 is: 3,762.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,439.11 : 11,158.34 = 2,508.73 : x
  2. Step 2: Convert to fraction form
    7,439.11/11,158.34 = 2,508.73/x
  3. Step 3: Cross multiply
    7,439.11x = 11,158.34 × 2,508.73
  4. Step 4: Simplify right side
    7,439.11x = 27,993,262.31
  5. Step 5: Solve for x
    x = 27,993,262.31/7,439.11
  6. Step 6: Final answer
    x = 3,762.99

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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.