Home / 4,905.92-7,344.30-3,929.06

Finding the Fourth Proportional to 4,905.92, 7,344.30 and 3,929.06

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Solution

The fourth proportional to 4,905.92, 7,344.30 and 3,929.06 is: 5,881.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,905.92 : 7,344.30 = 3,929.06 : x
  2. Step 2: Convert to fraction form
    4,905.92/7,344.30 = 3,929.06/x
  3. Step 3: Cross multiply
    4,905.92x = 7,344.30 × 3,929.06
  4. Step 4: Simplify right side
    4,905.92x = 28,856,195.36
  5. Step 5: Solve for x
    x = 28,856,195.36/4,905.92
  6. Step 6: Final answer
    x = 5,881.91

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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.