Home / 8,353.33-12,530.19-2,806.75

Finding the Fourth Proportional to 8,353.33, 12,530.19 and 2,806.75

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Solution

The fourth proportional to 8,353.33, 12,530.19 and 2,806.75 is: 4,210.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,353.33 : 12,530.19 = 2,806.75 : x
  2. Step 2: Convert to fraction form
    8,353.33/12,530.19 = 2,806.75/x
  3. Step 3: Cross multiply
    8,353.33x = 12,530.19 × 2,806.75
  4. Step 4: Simplify right side
    8,353.33x = 35,169,136.97
  5. Step 5: Solve for x
    x = 35,169,136.97/8,353.33
  6. Step 6: Final answer
    x = 4,210.19

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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.