Home / 9,147.75-13,722.92-2,823.16

Finding the Fourth Proportional to 9,147.75, 13,722.92 and 2,823.16

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Solution

The fourth proportional to 9,147.75, 13,722.92 and 2,823.16 is: 4,235.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,147.75 : 13,722.92 = 2,823.16 : x
  2. Step 2: Convert to fraction form
    9,147.75/13,722.92 = 2,823.16/x
  3. Step 3: Cross multiply
    9,147.75x = 13,722.92 × 2,823.16
  4. Step 4: Simplify right side
    9,147.75x = 38,741,930.21
  5. Step 5: Solve for x
    x = 38,741,930.21/9,147.75
  6. Step 6: Final answer
    x = 4,235.13

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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.