Home / 8,640.32-12,953.17-2,713.45

Finding the Fourth Proportional to 8,640.32, 12,953.17 and 2,713.45

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Solution

The fourth proportional to 8,640.32, 12,953.17 and 2,713.45 is: 4,067.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,640.32 : 12,953.17 = 2,713.45 : x
  2. Step 2: Convert to fraction form
    8,640.32/12,953.17 = 2,713.45/x
  3. Step 3: Cross multiply
    8,640.32x = 12,953.17 × 2,713.45
  4. Step 4: Simplify right side
    8,640.32x = 35,147,759.17
  5. Step 5: Solve for x
    x = 35,147,759.17/8,640.32
  6. Step 6: Final answer
    x = 4,067.88

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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.