Home / 5,234.28-7,225.47-3,138

Finding the Fourth Proportional to 5,234.28, 7,225.47 and 3,138

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Solution

The fourth proportional to 5,234.28, 7,225.47 and 3,138 is: 4,331.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,234.28 : 7,225.47 = 3,138 : x
  2. Step 2: Convert to fraction form
    5,234.28/7,225.47 = 3,138/x
  3. Step 3: Cross multiply
    5,234.28x = 7,225.47 × 3,138
  4. Step 4: Simplify right side
    5,234.28x = 22,673,524.86
  5. Step 5: Solve for x
    x = 22,673,524.86/5,234.28
  6. Step 6: Final answer
    x = 4,331.74

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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.