Home / 5,241.29-7,861.86-1,543.37

Finding the Fourth Proportional to 5,241.29, 7,861.86 and 1,543.37

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Solution

The fourth proportional to 5,241.29, 7,861.86 and 1,543.37 is: 2,315.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,241.29 : 7,861.86 = 1,543.37 : x
  2. Step 2: Convert to fraction form
    5,241.29/7,861.86 = 1,543.37/x
  3. Step 3: Cross multiply
    5,241.29x = 7,861.86 × 1,543.37
  4. Step 4: Simplify right side
    5,241.29x = 12,133,719.56
  5. Step 5: Solve for x
    x = 12,133,719.56/5,241.29
  6. Step 6: Final answer
    x = 2,315.03

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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.