Home / 7,438.92-11,159.78-2,508.66

Finding the Fourth Proportional to 7,438.92, 11,159.78 and 2,508.66

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Solution

The fourth proportional to 7,438.92, 11,159.78 and 2,508.66 is: 3,763.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,438.92 : 11,159.78 = 2,508.66 : x
  2. Step 2: Convert to fraction form
    7,438.92/11,159.78 = 2,508.66/x
  3. Step 3: Cross multiply
    7,438.92x = 11,159.78 × 2,508.66
  4. Step 4: Simplify right side
    7,438.92x = 27,996,093.69
  5. Step 5: Solve for x
    x = 27,996,093.69/7,438.92
  6. Step 6: Final answer
    x = 3,763.46

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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.