Home / 9,449.40-13,039.92-5,257.56

Finding the Fourth Proportional to 9,449.40, 13,039.92 and 5,257.56

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Solution

The fourth proportional to 9,449.40, 13,039.92 and 5,257.56 is: 7,255.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,449.40 : 13,039.92 = 5,257.56 : x
  2. Step 2: Convert to fraction form
    9,449.40/13,039.92 = 5,257.56/x
  3. Step 3: Cross multiply
    9,449.40x = 13,039.92 × 5,257.56
  4. Step 4: Simplify right side
    9,449.40x = 68,558,161.80
  5. Step 5: Solve for x
    x = 68,558,161.80/9,449.40
  6. Step 6: Final answer
    x = 7,255.29

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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.