Home / 5,217.05-7,816.77-2,581.04

Finding the Fourth Proportional to 5,217.05, 7,816.77 and 2,581.04

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Solution

The fourth proportional to 5,217.05, 7,816.77 and 2,581.04 is: 3,867.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,217.05 : 7,816.77 = 2,581.04 : x
  2. Step 2: Convert to fraction form
    5,217.05/7,816.77 = 2,581.04/x
  3. Step 3: Cross multiply
    5,217.05x = 7,816.77 × 2,581.04
  4. Step 4: Simplify right side
    5,217.05x = 20,175,356.96
  5. Step 5: Solve for x
    x = 20,175,356.96/5,217.05
  6. Step 6: Final answer
    x = 3,867.20

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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.