Home / 5,377.92-8,050.46-3,987.81

Finding the Fourth Proportional to 5,377.92, 8,050.46 and 3,987.81

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Solution

The fourth proportional to 5,377.92, 8,050.46 and 3,987.81 is: 5,969.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,377.92 : 8,050.46 = 3,987.81 : x
  2. Step 2: Convert to fraction form
    5,377.92/8,050.46 = 3,987.81/x
  3. Step 3: Cross multiply
    5,377.92x = 8,050.46 × 3,987.81
  4. Step 4: Simplify right side
    5,377.92x = 32,103,684.95
  5. Step 5: Solve for x
    x = 32,103,684.95/5,377.92
  6. Step 6: Final answer
    x = 5,969.54

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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.