Home / 9,135.25-13,703.33-2,979.25

Finding the Fourth Proportional to 9,135.25, 13,703.33 and 2,979.25

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Solution

The fourth proportional to 9,135.25, 13,703.33 and 2,979.25 is: 4,469.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,135.25 : 13,703.33 = 2,979.25 : x
  2. Step 2: Convert to fraction form
    9,135.25/13,703.33 = 2,979.25/x
  3. Step 3: Cross multiply
    9,135.25x = 13,703.33 × 2,979.25
  4. Step 4: Simplify right side
    9,135.25x = 40,825,631.01
  5. Step 5: Solve for x
    x = 40,825,631.01/9,135.25
  6. Step 6: Final answer
    x = 4,469.02

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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.