Home / 8,112.66-12,171.02-2,269.22

Finding the Fourth Proportional to 8,112.66, 12,171.02 and 2,269.22

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Solution

The fourth proportional to 8,112.66, 12,171.02 and 2,269.22 is: 3,404.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,112.66 : 12,171.02 = 2,269.22 : x
  2. Step 2: Convert to fraction form
    8,112.66/12,171.02 = 2,269.22/x
  3. Step 3: Cross multiply
    8,112.66x = 12,171.02 × 2,269.22
  4. Step 4: Simplify right side
    8,112.66x = 27,618,710.66
  5. Step 5: Solve for x
    x = 27,618,710.66/8,112.66
  6. Step 6: Final answer
    x = 3,404.40

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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.