Home / 5,244.89-7,864.32-3,138.62

Finding the Fourth Proportional to 5,244.89, 7,864.32 and 3,138.62

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Solution

The fourth proportional to 5,244.89, 7,864.32 and 3,138.62 is: 4,706.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,244.89 : 7,864.32 = 3,138.62 : x
  2. Step 2: Convert to fraction form
    5,244.89/7,864.32 = 3,138.62/x
  3. Step 3: Cross multiply
    5,244.89x = 7,864.32 × 3,138.62
  4. Step 4: Simplify right side
    5,244.89x = 24,683,112.04
  5. Step 5: Solve for x
    x = 24,683,112.04/5,244.89
  6. Step 6: Final answer
    x = 4,706.13

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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.