Home / 4,321.62-6,487.83-2,929.23

Finding the Fourth Proportional to 4,321.62, 6,487.83 and 2,929.23

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Solution

The fourth proportional to 4,321.62, 6,487.83 and 2,929.23 is: 4,397.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,321.62 : 6,487.83 = 2,929.23 : x
  2. Step 2: Convert to fraction form
    4,321.62/6,487.83 = 2,929.23/x
  3. Step 3: Cross multiply
    4,321.62x = 6,487.83 × 2,929.23
  4. Step 4: Simplify right side
    4,321.62x = 19,004,346.27
  5. Step 5: Solve for x
    x = 19,004,346.27/4,321.62
  6. Step 6: Final answer
    x = 4,397.51

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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.