Home / 8,826.18-12,175.62-5,636.12

Finding the Fourth Proportional to 8,826.18, 12,175.62 and 5,636.12

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Solution

The fourth proportional to 8,826.18, 12,175.62 and 5,636.12 is: 7,774.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,826.18 : 12,175.62 = 5,636.12 : x
  2. Step 2: Convert to fraction form
    8,826.18/12,175.62 = 5,636.12/x
  3. Step 3: Cross multiply
    8,826.18x = 12,175.62 × 5,636.12
  4. Step 4: Simplify right side
    8,826.18x = 68,623,291.75
  5. Step 5: Solve for x
    x = 68,623,291.75/8,826.18
  6. Step 6: Final answer
    x = 7,774.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.