Home / 10,300.66-15,452.13-3,278.22

Finding the Fourth Proportional to 10,300.66, 15,452.13 and 3,278.22

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Solution

The fourth proportional to 10,300.66, 15,452.13 and 3,278.22 is: 4,917.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,300.66 : 15,452.13 = 3,278.22 : x
  2. Step 2: Convert to fraction form
    10,300.66/15,452.13 = 3,278.22/x
  3. Step 3: Cross multiply
    10,300.66x = 15,452.13 × 3,278.22
  4. Step 4: Simplify right side
    10,300.66x = 50,655,481.61
  5. Step 5: Solve for x
    x = 50,655,481.61/10,300.66
  6. Step 6: Final answer
    x = 4,917.69

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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.