Home / 7,275.76-10,917.40-3,382.96

Finding the Fourth Proportional to 7,275.76, 10,917.40 and 3,382.96

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Solution

The fourth proportional to 7,275.76, 10,917.40 and 3,382.96 is: 5,076.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,275.76 : 10,917.40 = 3,382.96 : x
  2. Step 2: Convert to fraction form
    7,275.76/10,917.40 = 3,382.96/x
  3. Step 3: Cross multiply
    7,275.76x = 10,917.40 × 3,382.96
  4. Step 4: Simplify right side
    7,275.76x = 36,933,127.50
  5. Step 5: Solve for x
    x = 36,933,127.50/7,275.76
  6. Step 6: Final answer
    x = 5,076.19

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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.