Home / 5,439.75-8,161.05-1,742.04

Finding the Fourth Proportional to 5,439.75, 8,161.05 and 1,742.04

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Solution

The fourth proportional to 5,439.75, 8,161.05 and 1,742.04 is: 2,613.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,439.75 : 8,161.05 = 1,742.04 : x
  2. Step 2: Convert to fraction form
    5,439.75/8,161.05 = 1,742.04/x
  3. Step 3: Cross multiply
    5,439.75x = 8,161.05 × 1,742.04
  4. Step 4: Simplify right side
    5,439.75x = 14,216,875.54
  5. Step 5: Solve for x
    x = 14,216,875.54/5,439.75
  6. Step 6: Final answer
    x = 2,613.52

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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.