Home / 5,742.32-8,618.87-2,822.72

Finding the Fourth Proportional to 5,742.32, 8,618.87 and 2,822.72

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Solution

The fourth proportional to 5,742.32, 8,618.87 and 2,822.72 is: 4,236.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,742.32 : 8,618.87 = 2,822.72 : x
  2. Step 2: Convert to fraction form
    5,742.32/8,618.87 = 2,822.72/x
  3. Step 3: Cross multiply
    5,742.32x = 8,618.87 × 2,822.72
  4. Step 4: Simplify right side
    5,742.32x = 24,328,620.69
  5. Step 5: Solve for x
    x = 24,328,620.69/5,742.32
  6. Step 6: Final answer
    x = 4,236.73

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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.