Home / 8,119.33-12,180.79-2,497.03

Finding the Fourth Proportional to 8,119.33, 12,180.79 and 2,497.03

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Solution

The fourth proportional to 8,119.33, 12,180.79 and 2,497.03 is: 3,746.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,119.33 : 12,180.79 = 2,497.03 : x
  2. Step 2: Convert to fraction form
    8,119.33/12,180.79 = 2,497.03/x
  3. Step 3: Cross multiply
    8,119.33x = 12,180.79 × 2,497.03
  4. Step 4: Simplify right side
    8,119.33x = 30,415,798.05
  5. Step 5: Solve for x
    x = 30,415,798.05/8,119.33
  6. Step 6: Final answer
    x = 3,746.10

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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.