Home / 5,717.16-7,888.92-3,199.02

Finding the Fourth Proportional to 5,717.16, 7,888.92 and 3,199.02

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Solution

The fourth proportional to 5,717.16, 7,888.92 and 3,199.02 is: 4,414.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,717.16 : 7,888.92 = 3,199.02 : x
  2. Step 2: Convert to fraction form
    5,717.16/7,888.92 = 3,199.02/x
  3. Step 3: Cross multiply
    5,717.16x = 7,888.92 × 3,199.02
  4. Step 4: Simplify right side
    5,717.16x = 25,236,812.86
  5. Step 5: Solve for x
    x = 25,236,812.86/5,717.16
  6. Step 6: Final answer
    x = 4,414.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.