Home / 8,236.65-12,359.04-3,853.35

Finding the Fourth Proportional to 8,236.65, 12,359.04 and 3,853.35

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Solution

The fourth proportional to 8,236.65, 12,359.04 and 3,853.35 is: 5,781.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,236.65 : 12,359.04 = 3,853.35 : x
  2. Step 2: Convert to fraction form
    8,236.65/12,359.04 = 3,853.35/x
  3. Step 3: Cross multiply
    8,236.65x = 12,359.04 × 3,853.35
  4. Step 4: Simplify right side
    8,236.65x = 47,623,706.78
  5. Step 5: Solve for x
    x = 47,623,706.78/8,236.65
  6. Step 6: Final answer
    x = 5,781.93

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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.