Home / 8,124.49-12,187.82-2,281.15

Finding the Fourth Proportional to 8,124.49, 12,187.82 and 2,281.15

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Solution

The fourth proportional to 8,124.49, 12,187.82 and 2,281.15 is: 3,422.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,124.49 : 12,187.82 = 2,281.15 : x
  2. Step 2: Convert to fraction form
    8,124.49/12,187.82 = 2,281.15/x
  3. Step 3: Cross multiply
    8,124.49x = 12,187.82 × 2,281.15
  4. Step 4: Simplify right side
    8,124.49x = 27,802,245.59
  5. Step 5: Solve for x
    x = 27,802,245.59/8,124.49
  6. Step 6: Final answer
    x = 3,422.03

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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.