Home / 5,027.30-7,543.89-2,105.36

Finding the Fourth Proportional to 5,027.30, 7,543.89 and 2,105.36

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Solution

The fourth proportional to 5,027.30, 7,543.89 and 2,105.36 is: 3,159.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,027.30 : 7,543.89 = 2,105.36 : x
  2. Step 2: Convert to fraction form
    5,027.30/7,543.89 = 2,105.36/x
  3. Step 3: Cross multiply
    5,027.30x = 7,543.89 × 2,105.36
  4. Step 4: Simplify right side
    5,027.30x = 15,882,604.25
  5. Step 5: Solve for x
    x = 15,882,604.25/5,027.30
  6. Step 6: Final answer
    x = 3,159.27

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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.