Home / 8,514.16-12,769.40-2,669.20

Finding the Fourth Proportional to 8,514.16, 12,769.40 and 2,669.20

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Solution

The fourth proportional to 8,514.16, 12,769.40 and 2,669.20 is: 4,003.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,514.16 : 12,769.40 = 2,669.20 : x
  2. Step 2: Convert to fraction form
    8,514.16/12,769.40 = 2,669.20/x
  3. Step 3: Cross multiply
    8,514.16x = 12,769.40 × 2,669.20
  4. Step 4: Simplify right side
    8,514.16x = 34,084,082.48
  5. Step 5: Solve for x
    x = 34,084,082.48/8,514.16
  6. Step 6: Final answer
    x = 4,003.22

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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.