Home / 5,419.47-8,132.91-2,497.80

Finding the Fourth Proportional to 5,419.47, 8,132.91 and 2,497.80

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Solution

The fourth proportional to 5,419.47, 8,132.91 and 2,497.80 is: 3,748.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,419.47 : 8,132.91 = 2,497.80 : x
  2. Step 2: Convert to fraction form
    5,419.47/8,132.91 = 2,497.80/x
  3. Step 3: Cross multiply
    5,419.47x = 8,132.91 × 2,497.80
  4. Step 4: Simplify right side
    5,419.47x = 20,314,403.73
  5. Step 5: Solve for x
    x = 20,314,403.73/5,419.47
  6. Step 6: Final answer
    x = 3,748.41

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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.