Home / 8,713.56-13,072.38-2,869.95

Finding the Fourth Proportional to 8,713.56, 13,072.38 and 2,869.95

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Solution

The fourth proportional to 8,713.56, 13,072.38 and 2,869.95 is: 4,305.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,713.56 : 13,072.38 = 2,869.95 : x
  2. Step 2: Convert to fraction form
    8,713.56/13,072.38 = 2,869.95/x
  3. Step 3: Cross multiply
    8,713.56x = 13,072.38 × 2,869.95
  4. Step 4: Simplify right side
    8,713.56x = 37,517,076.98
  5. Step 5: Solve for x
    x = 37,517,076.98/8,713.56
  6. Step 6: Final answer
    x = 4,305.60

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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.