Home / 8,155.50-12,233.22-2,312.11

Finding the Fourth Proportional to 8,155.50, 12,233.22 and 2,312.11

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Solution

The fourth proportional to 8,155.50, 12,233.22 and 2,312.11 is: 3,468.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,155.50 : 12,233.22 = 2,312.11 : x
  2. Step 2: Convert to fraction form
    8,155.50/12,233.22 = 2,312.11/x
  3. Step 3: Cross multiply
    8,155.50x = 12,233.22 × 2,312.11
  4. Step 4: Simplify right side
    8,155.50x = 28,284,550.29
  5. Step 5: Solve for x
    x = 28,284,550.29/8,155.50
  6. Step 6: Final answer
    x = 3,468.16

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Double scale
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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.