Home / 8,105.33-12,158.10-2,262.40

Finding the Fourth Proportional to 8,105.33, 12,158.10 and 2,262.40

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Solution

The fourth proportional to 8,105.33, 12,158.10 and 2,262.40 is: 3,393.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,105.33 : 12,158.10 = 2,262.40 : x
  2. Step 2: Convert to fraction form
    8,105.33/12,158.10 = 2,262.40/x
  3. Step 3: Cross multiply
    8,105.33x = 12,158.10 × 2,262.40
  4. Step 4: Simplify right side
    8,105.33x = 27,506,455.04
  5. Step 5: Solve for x
    x = 27,506,455.04/8,105.33
  6. Step 6: Final answer
    x = 3,393.62

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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.