Home / 4,742.15-7,114.03-1,454.90

Finding the Fourth Proportional to 4,742.15, 7,114.03 and 1,454.90

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Solution

The fourth proportional to 4,742.15, 7,114.03 and 1,454.90 is: 2,182.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,742.15 : 7,114.03 = 1,454.90 : x
  2. Step 2: Convert to fraction form
    4,742.15/7,114.03 = 1,454.90/x
  3. Step 3: Cross multiply
    4,742.15x = 7,114.03 × 1,454.90
  4. Step 4: Simplify right side
    4,742.15x = 10,350,163.04
  5. Step 5: Solve for x
    x = 10,350,163.04/4,742.15
  6. Step 6: Final answer
    x = 2,182.59

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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.