Home / 8,510.89-12,769.06-3,515.61

Finding the Fourth Proportional to 8,510.89, 12,769.06 and 3,515.61

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Solution

The fourth proportional to 8,510.89, 12,769.06 and 3,515.61 is: 5,274.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,510.89 : 12,769.06 = 3,515.61 : x
  2. Step 2: Convert to fraction form
    8,510.89/12,769.06 = 3,515.61/x
  3. Step 3: Cross multiply
    8,510.89x = 12,769.06 × 3,515.61
  4. Step 4: Simplify right side
    8,510.89x = 44,891,044.80
  5. Step 5: Solve for x
    x = 44,891,044.80/8,510.89
  6. Step 6: Final answer
    x = 5,274.54

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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.