Home / 5,712.42-8,571.18-3,631.87

Finding the Fourth Proportional to 5,712.42, 8,571.18 and 3,631.87

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Solution

The fourth proportional to 5,712.42, 8,571.18 and 3,631.87 is: 5,449.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,712.42 : 8,571.18 = 3,631.87 : x
  2. Step 2: Convert to fraction form
    5,712.42/8,571.18 = 3,631.87/x
  3. Step 3: Cross multiply
    5,712.42x = 8,571.18 × 3,631.87
  4. Step 4: Simplify right side
    5,712.42x = 31,129,368.65
  5. Step 5: Solve for x
    x = 31,129,368.65/5,712.42
  6. Step 6: Final answer
    x = 5,449.42

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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.