Home / 7,738.32-11,608.28-3,356.20

Finding the Fourth Proportional to 7,738.32, 11,608.28 and 3,356.20

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Solution

The fourth proportional to 7,738.32, 11,608.28 and 3,356.20 is: 5,034.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,738.32 : 11,608.28 = 3,356.20 : x
  2. Step 2: Convert to fraction form
    7,738.32/11,608.28 = 3,356.20/x
  3. Step 3: Cross multiply
    7,738.32x = 11,608.28 × 3,356.20
  4. Step 4: Simplify right side
    7,738.32x = 38,959,709.34
  5. Step 5: Solve for x
    x = 38,959,709.34/7,738.32
  6. Step 6: Final answer
    x = 5,034.65

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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.