Home / 8,513.18-12,769.44-4,353.14

Finding the Fourth Proportional to 8,513.18, 12,769.44 and 4,353.14

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Solution

The fourth proportional to 8,513.18, 12,769.44 and 4,353.14 is: 6,529.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,513.18 : 12,769.44 = 4,353.14 : x
  2. Step 2: Convert to fraction form
    8,513.18/12,769.44 = 4,353.14/x
  3. Step 3: Cross multiply
    8,513.18x = 12,769.44 × 4,353.14
  4. Step 4: Simplify right side
    8,513.18x = 55,587,160.04
  5. Step 5: Solve for x
    x = 55,587,160.04/8,513.18
  6. Step 6: Final answer
    x = 6,529.54

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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.