Home / 8,116.24-12,175.08-3,186.04

Finding the Fourth Proportional to 8,116.24, 12,175.08 and 3,186.04

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Solution

The fourth proportional to 8,116.24, 12,175.08 and 3,186.04 is: 4,779.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,116.24 : 12,175.08 = 3,186.04 : x
  2. Step 2: Convert to fraction form
    8,116.24/12,175.08 = 3,186.04/x
  3. Step 3: Cross multiply
    8,116.24x = 12,175.08 × 3,186.04
  4. Step 4: Simplify right side
    8,116.24x = 38,790,291.88
  5. Step 5: Solve for x
    x = 38,790,291.88/8,116.24
  6. Step 6: Final answer
    x = 4,779.34

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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.