Home / 9,449.44-13,039.56-5,257.72

Finding the Fourth Proportional to 9,449.44, 13,039.56 and 5,257.72

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Solution

The fourth proportional to 9,449.44, 13,039.56 and 5,257.72 is: 7,255.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,449.44 : 13,039.56 = 5,257.72 : x
  2. Step 2: Convert to fraction form
    9,449.44/13,039.56 = 5,257.72/x
  3. Step 3: Cross multiply
    9,449.44x = 13,039.56 × 5,257.72
  4. Step 4: Simplify right side
    9,449.44x = 68,558,355.40
  5. Step 5: Solve for x
    x = 68,558,355.40/9,449.44
  6. Step 6: Final answer
    x = 7,255.28

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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.