Home / 7,275.92-10,912.56-3,326.28

Finding the Fourth Proportional to 7,275.92, 10,912.56 and 3,326.28

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Solution

The fourth proportional to 7,275.92, 10,912.56 and 3,326.28 is: 4,988.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,275.92 : 10,912.56 = 3,326.28 : x
  2. Step 2: Convert to fraction form
    7,275.92/10,912.56 = 3,326.28/x
  3. Step 3: Cross multiply
    7,275.92x = 10,912.56 × 3,326.28
  4. Step 4: Simplify right side
    7,275.92x = 36,298,230.08
  5. Step 5: Solve for x
    x = 36,298,230.08/7,275.92
  6. Step 6: Final answer
    x = 4,988.82

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1.5x scale

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.