Home / 5,432.76-8,138.80-3,234.84

Finding the Fourth Proportional to 5,432.76, 8,138.80 and 3,234.84

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Solution

The fourth proportional to 5,432.76, 8,138.80 and 3,234.84 is: 4,846.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,432.76 : 8,138.80 = 3,234.84 : x
  2. Step 2: Convert to fraction form
    5,432.76/8,138.80 = 3,234.84/x
  3. Step 3: Cross multiply
    5,432.76x = 8,138.80 × 3,234.84
  4. Step 4: Simplify right side
    5,432.76x = 26,327,715.79
  5. Step 5: Solve for x
    x = 26,327,715.79/5,432.76
  6. Step 6: Final answer
    x = 4,846.10

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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.