Home / 5,419.56-8,131.38-2,497.19

Finding the Fourth Proportional to 5,419.56, 8,131.38 and 2,497.19

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Solution

The fourth proportional to 5,419.56, 8,131.38 and 2,497.19 is: 3,746.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,419.56 : 8,131.38 = 2,497.19 : x
  2. Step 2: Convert to fraction form
    5,419.56/8,131.38 = 2,497.19/x
  3. Step 3: Cross multiply
    5,419.56x = 8,131.38 × 2,497.19
  4. Step 4: Simplify right side
    5,419.56x = 20,305,560.17
  5. Step 5: Solve for x
    x = 20,305,560.17/5,419.56
  6. Step 6: Final answer
    x = 3,746.72

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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.