Home / 5,242.56-7,862.96-1,346.96

Finding the Fourth Proportional to 5,242.56, 7,862.96 and 1,346.96

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Solution

The fourth proportional to 5,242.56, 7,862.96 and 1,346.96 is: 2,020.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,242.56 : 7,862.96 = 1,346.96 : x
  2. Step 2: Convert to fraction form
    5,242.56/7,862.96 = 1,346.96/x
  3. Step 3: Cross multiply
    5,242.56x = 7,862.96 × 1,346.96
  4. Step 4: Simplify right side
    5,242.56x = 10,591,092.60
  5. Step 5: Solve for x
    x = 10,591,092.60/5,242.56
  6. Step 6: Final answer
    x = 2,020.21

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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.