Home / 8,253.11-12,376.68-2,986.76

Finding the Fourth Proportional to 8,253.11, 12,376.68 and 2,986.76

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Solution

The fourth proportional to 8,253.11, 12,376.68 and 2,986.76 is: 4,479.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,253.11 : 12,376.68 = 2,986.76 : x
  2. Step 2: Convert to fraction form
    8,253.11/12,376.68 = 2,986.76/x
  3. Step 3: Cross multiply
    8,253.11x = 12,376.68 × 2,986.76
  4. Step 4: Simplify right side
    8,253.11x = 36,966,110.87
  5. Step 5: Solve for x
    x = 36,966,110.87/8,253.11
  6. Step 6: Final answer
    x = 4,479.05

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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.