Home / 9,104.72-13,659.16-3,912.08

Finding the Fourth Proportional to 9,104.72, 13,659.16 and 3,912.08

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Solution

The fourth proportional to 9,104.72, 13,659.16 and 3,912.08 is: 5,869.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,104.72 : 13,659.16 = 3,912.08 : x
  2. Step 2: Convert to fraction form
    9,104.72/13,659.16 = 3,912.08/x
  3. Step 3: Cross multiply
    9,104.72x = 13,659.16 × 3,912.08
  4. Step 4: Simplify right side
    9,104.72x = 53,435,726.65
  5. Step 5: Solve for x
    x = 53,435,726.65/9,104.72
  6. Step 6: Final answer
    x = 5,869.01

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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.