Home / 5,385.24-8,077.23-1,489.14

Finding the Fourth Proportional to 5,385.24, 8,077.23 and 1,489.14

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Solution

The fourth proportional to 5,385.24, 8,077.23 and 1,489.14 is: 2,233.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,385.24 : 8,077.23 = 1,489.14 : x
  2. Step 2: Convert to fraction form
    5,385.24/8,077.23 = 1,489.14/x
  3. Step 3: Cross multiply
    5,385.24x = 8,077.23 × 1,489.14
  4. Step 4: Simplify right side
    5,385.24x = 12,028,126.28
  5. Step 5: Solve for x
    x = 12,028,126.28/5,385.24
  6. Step 6: Final answer
    x = 2,233.54

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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.