Home / 9,105.39-13,659.90-2,866.97

Finding the Fourth Proportional to 9,105.39, 13,659.90 and 2,866.97

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Solution

The fourth proportional to 9,105.39, 13,659.90 and 2,866.97 is: 4,301.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,105.39 : 13,659.90 = 2,866.97 : x
  2. Step 2: Convert to fraction form
    9,105.39/13,659.90 = 2,866.97/x
  3. Step 3: Cross multiply
    9,105.39x = 13,659.90 × 2,866.97
  4. Step 4: Simplify right side
    9,105.39x = 39,162,557.65
  5. Step 5: Solve for x
    x = 39,162,557.65/9,105.39
  6. Step 6: Final answer
    x = 4,301.03

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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.