Home / 9,231.20-12,738.56-5,252.68

Finding the Fourth Proportional to 9,231.20, 12,738.56 and 5,252.68

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Solution

The fourth proportional to 9,231.20, 12,738.56 and 5,252.68 is: 7,248.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,231.20 : 12,738.56 = 5,252.68 : x
  2. Step 2: Convert to fraction form
    9,231.20/12,738.56 = 5,252.68/x
  3. Step 3: Cross multiply
    9,231.20x = 12,738.56 × 5,252.68
  4. Step 4: Simplify right side
    9,231.20x = 66,911,579.34
  5. Step 5: Solve for x
    x = 66,911,579.34/9,231.20
  6. Step 6: Final answer
    x = 7,248.42

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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.