Home / 8,275.30-11,422.57-5,299.15

Finding the Fourth Proportional to 8,275.30, 11,422.57 and 5,299.15

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Solution

The fourth proportional to 8,275.30, 11,422.57 and 5,299.15 is: 7,314.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,275.30 : 11,422.57 = 5,299.15 : x
  2. Step 2: Convert to fraction form
    8,275.30/11,422.57 = 5,299.15/x
  3. Step 3: Cross multiply
    8,275.30x = 11,422.57 × 5,299.15
  4. Step 4: Simplify right side
    8,275.30x = 60,529,911.82
  5. Step 5: Solve for x
    x = 60,529,911.82/8,275.30
  6. Step 6: Final answer
    x = 7,314.53

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Similar ratio
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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.