Home / 8,512.72-12,769.08-2,669.80

Finding the Fourth Proportional to 8,512.72, 12,769.08 and 2,669.80

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Solution

The fourth proportional to 8,512.72, 12,769.08 and 2,669.80 is: 4,004.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,512.72 : 12,769.08 = 2,669.80 : x
  2. Step 2: Convert to fraction form
    8,512.72/12,769.08 = 2,669.80/x
  3. Step 3: Cross multiply
    8,512.72x = 12,769.08 × 2,669.80
  4. Step 4: Simplify right side
    8,512.72x = 34,090,889.78
  5. Step 5: Solve for x
    x = 34,090,889.78/8,512.72
  6. Step 6: Final answer
    x = 4,004.70

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1.5x scale

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.