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Finding the Fourth Proportional to 8,098.29, 12,119.97 and 4,980.25

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Solution

The fourth proportional to 8,098.29, 12,119.97 and 4,980.25 is: 7,453.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,098.29 : 12,119.97 = 4,980.25 : x
  2. Step 2: Convert to fraction form
    8,098.29/12,119.97 = 4,980.25/x
  3. Step 3: Cross multiply
    8,098.29x = 12,119.97 × 4,980.25
  4. Step 4: Simplify right side
    8,098.29x = 60,360,480.59
  5. Step 5: Solve for x
    x = 60,360,480.59/8,098.29
  6. Step 6: Final answer
    x = 7,453.48

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1.5x scale

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.