Home / 8,253.04-12,379.92-2,706.40

Finding the Fourth Proportional to 8,253.04, 12,379.92 and 2,706.40

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Solution

The fourth proportional to 8,253.04, 12,379.92 and 2,706.40 is: 4,059.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,253.04 : 12,379.92 = 2,706.40 : x
  2. Step 2: Convert to fraction form
    8,253.04/12,379.92 = 2,706.40/x
  3. Step 3: Cross multiply
    8,253.04x = 12,379.92 × 2,706.40
  4. Step 4: Simplify right side
    8,253.04x = 33,505,015.49
  5. Step 5: Solve for x
    x = 33,505,015.49/8,253.04
  6. Step 6: Final answer
    x = 4,059.72

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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.