Home / 5,240.05-7,861.23-1,731.13

Finding the Fourth Proportional to 5,240.05, 7,861.23 and 1,731.13

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Solution

The fourth proportional to 5,240.05, 7,861.23 and 1,731.13 is: 2,597.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,240.05 : 7,861.23 = 1,731.13 : x
  2. Step 2: Convert to fraction form
    5,240.05/7,861.23 = 1,731.13/x
  3. Step 3: Cross multiply
    5,240.05x = 7,861.23 × 1,731.13
  4. Step 4: Simplify right side
    5,240.05x = 13,608,811.09
  5. Step 5: Solve for x
    x = 13,608,811.09/5,240.05
  6. Step 6: Final answer
    x = 2,597.08

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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.