Home / 5,717.12-7,888.62-3,359.74

Finding the Fourth Proportional to 5,717.12, 7,888.62 and 3,359.74

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Solution

The fourth proportional to 5,717.12, 7,888.62 and 3,359.74 is: 4,635.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,717.12 : 7,888.62 = 3,359.74 : x
  2. Step 2: Convert to fraction form
    5,717.12/7,888.62 = 3,359.74/x
  3. Step 3: Cross multiply
    5,717.12x = 7,888.62 × 3,359.74
  4. Step 4: Simplify right side
    5,717.12x = 26,503,712.16
  5. Step 5: Solve for x
    x = 26,503,712.16/5,717.12
  6. Step 6: Final answer
    x = 4,635.85

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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.