Home / 7,439.20-11,159.09-2,245.07

Finding the Fourth Proportional to 7,439.20, 11,159.09 and 2,245.07

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Solution

The fourth proportional to 7,439.20, 11,159.09 and 2,245.07 is: 3,367.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,439.20 : 11,159.09 = 2,245.07 : x
  2. Step 2: Convert to fraction form
    7,439.20/11,159.09 = 2,245.07/x
  3. Step 3: Cross multiply
    7,439.20x = 11,159.09 × 2,245.07
  4. Step 4: Simplify right side
    7,439.20x = 25,052,938.19
  5. Step 5: Solve for x
    x = 25,052,938.19/7,439.20
  6. Step 6: Final answer
    x = 3,367.69

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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.