Home / 8,098.47-12,146.65-3,171.60

Finding the Fourth Proportional to 8,098.47, 12,146.65 and 3,171.60

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Solution

The fourth proportional to 8,098.47, 12,146.65 and 3,171.60 is: 4,756.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,098.47 : 12,146.65 = 3,171.60 : x
  2. Step 2: Convert to fraction form
    8,098.47/12,146.65 = 3,171.60/x
  3. Step 3: Cross multiply
    8,098.47x = 12,146.65 × 3,171.60
  4. Step 4: Simplify right side
    8,098.47x = 38,524,307.21
  5. Step 5: Solve for x
    x = 38,524,307.21/8,098.47
  6. Step 6: Final answer
    x = 4,756.99

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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.