Home / 8,257.35-12,386.14-2,711.11

Finding the Fourth Proportional to 8,257.35, 12,386.14 and 2,711.11

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Solution

The fourth proportional to 8,257.35, 12,386.14 and 2,711.11 is: 4,066.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,257.35 : 12,386.14 = 2,711.11 : x
  2. Step 2: Convert to fraction form
    8,257.35/12,386.14 = 2,711.11/x
  3. Step 3: Cross multiply
    8,257.35x = 12,386.14 × 2,711.11
  4. Step 4: Simplify right side
    8,257.35x = 33,580,150.27
  5. Step 5: Solve for x
    x = 33,580,150.27/8,257.35
  6. Step 6: Final answer
    x = 4,066.70

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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.