Home / 7,105.13-10,657.72-2,174.75

Finding the Fourth Proportional to 7,105.13, 10,657.72 and 2,174.75

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Solution

The fourth proportional to 7,105.13, 10,657.72 and 2,174.75 is: 3,262.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,105.13 : 10,657.72 = 2,174.75 : x
  2. Step 2: Convert to fraction form
    7,105.13/10,657.72 = 2,174.75/x
  3. Step 3: Cross multiply
    7,105.13x = 10,657.72 × 2,174.75
  4. Step 4: Simplify right side
    7,105.13x = 23,177,876.57
  5. Step 5: Solve for x
    x = 23,177,876.57/7,105.13
  6. Step 6: Final answer
    x = 3,262.13

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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.