Home / 8,187.12-12,284.37-3,508.36

Finding the Fourth Proportional to 8,187.12, 12,284.37 and 3,508.36

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Solution

The fourth proportional to 8,187.12, 12,284.37 and 3,508.36 is: 5,264.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,187.12 : 12,284.37 = 3,508.36 : x
  2. Step 2: Convert to fraction form
    8,187.12/12,284.37 = 3,508.36/x
  3. Step 3: Cross multiply
    8,187.12x = 12,284.37 × 3,508.36
  4. Step 4: Simplify right side
    8,187.12x = 43,097,961.62
  5. Step 5: Solve for x
    x = 43,097,961.62/8,187.12
  6. Step 6: Final answer
    x = 5,264.12

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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.