Home / 5,217.06-7,816.77-2,581.05

Finding the Fourth Proportional to 5,217.06, 7,816.77 and 2,581.05

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Solution

The fourth proportional to 5,217.06, 7,816.77 and 2,581.05 is: 3,867.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,217.06 : 7,816.77 = 2,581.05 : x
  2. Step 2: Convert to fraction form
    5,217.06/7,816.77 = 2,581.05/x
  3. Step 3: Cross multiply
    5,217.06x = 7,816.77 × 2,581.05
  4. Step 4: Simplify right side
    5,217.06x = 20,175,474.21
  5. Step 5: Solve for x
    x = 20,175,474.21/5,217.06
  6. Step 6: Final answer
    x = 3,867.21

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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.