Home / 8,111.12-12,166.69-2,267.72

Finding the Fourth Proportional to 8,111.12, 12,166.69 and 2,267.72

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Solution

The fourth proportional to 8,111.12, 12,166.69 and 2,267.72 is: 3,401.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,111.12 : 12,166.69 = 2,267.72 : x
  2. Step 2: Convert to fraction form
    8,111.12/12,166.69 = 2,267.72/x
  3. Step 3: Cross multiply
    8,111.12x = 12,166.69 × 2,267.72
  4. Step 4: Simplify right side
    8,111.12x = 27,590,694.71
  5. Step 5: Solve for x
    x = 27,590,694.71/8,111.12
  6. Step 6: Final answer
    x = 3,401.59

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Similar ratio
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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.