Home / 8,187.25-12,284.56-3,508.49

Finding the Fourth Proportional to 8,187.25, 12,284.56 and 3,508.49

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Solution

The fourth proportional to 8,187.25, 12,284.56 and 3,508.49 is: 5,264.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,187.25 : 12,284.56 = 3,508.49 : x
  2. Step 2: Convert to fraction form
    8,187.25/12,284.56 = 3,508.49/x
  3. Step 3: Cross multiply
    8,187.25x = 12,284.56 × 3,508.49
  4. Step 4: Simplify right side
    8,187.25x = 43,100,194.49
  5. Step 5: Solve for x
    x = 43,100,194.49/8,187.25
  6. Step 6: Final answer
    x = 5,264.31

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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.