Home / 5,167.32-7,756.44-3,220.86

Finding the Fourth Proportional to 5,167.32, 7,756.44 and 3,220.86

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Solution

The fourth proportional to 5,167.32, 7,756.44 and 3,220.86 is: 4,834.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,167.32 : 7,756.44 = 3,220.86 : x
  2. Step 2: Convert to fraction form
    5,167.32/7,756.44 = 3,220.86/x
  3. Step 3: Cross multiply
    5,167.32x = 7,756.44 × 3,220.86
  4. Step 4: Simplify right side
    5,167.32x = 24,982,407.34
  5. Step 5: Solve for x
    x = 24,982,407.34/5,167.32
  6. Step 6: Final answer
    x = 4,834.69

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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.