Home / 8,218.08-12,316.36-7,175.44

Finding the Fourth Proportional to 8,218.08, 12,316.36 and 7,175.44

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Solution

The fourth proportional to 8,218.08, 12,316.36 and 7,175.44 is: 10,753.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,218.08 : 12,316.36 = 7,175.44 : x
  2. Step 2: Convert to fraction form
    8,218.08/12,316.36 = 7,175.44/x
  3. Step 3: Cross multiply
    8,218.08x = 12,316.36 × 7,175.44
  4. Step 4: Simplify right side
    8,218.08x = 88,375,302.20
  5. Step 5: Solve for x
    x = 88,375,302.20/8,218.08
  6. Step 6: Final answer
    x = 10,753.77

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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.