Home / 7,447.92-11,169.96-2,252.40

Finding the Fourth Proportional to 7,447.92, 11,169.96 and 2,252.40

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Solution

The fourth proportional to 7,447.92, 11,169.96 and 2,252.40 is: 3,378.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,447.92 : 11,169.96 = 2,252.40 : x
  2. Step 2: Convert to fraction form
    7,447.92/11,169.96 = 2,252.40/x
  3. Step 3: Cross multiply
    7,447.92x = 11,169.96 × 2,252.40
  4. Step 4: Simplify right side
    7,447.92x = 25,159,217.90
  5. Step 5: Solve for x
    x = 25,159,217.90/7,447.92
  6. Step 6: Final answer
    x = 3,378.02

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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.