Home / 4,343.92-6,516-2,705.20

Finding the Fourth Proportional to 4,343.92, 6,516 and 2,705.20

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Solution

The fourth proportional to 4,343.92, 6,516 and 2,705.20 is: 4,057.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,343.92 : 6,516 = 2,705.20 : x
  2. Step 2: Convert to fraction form
    4,343.92/6,516 = 2,705.20/x
  3. Step 3: Cross multiply
    4,343.92x = 6,516 × 2,705.20
  4. Step 4: Simplify right side
    4,343.92x = 17,627,083.20
  5. Step 5: Solve for x
    x = 17,627,083.20/4,343.92
  6. Step 6: Final answer
    x = 4,057.87

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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.