Home / 8,701.62-13,053.33-2,778.96

Finding the Fourth Proportional to 8,701.62, 13,053.33 and 2,778.96

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Solution

The fourth proportional to 8,701.62, 13,053.33 and 2,778.96 is: 4,168.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,701.62 : 13,053.33 = 2,778.96 : x
  2. Step 2: Convert to fraction form
    8,701.62/13,053.33 = 2,778.96/x
  3. Step 3: Cross multiply
    8,701.62x = 13,053.33 × 2,778.96
  4. Step 4: Simplify right side
    8,701.62x = 36,274,681.94
  5. Step 5: Solve for x
    x = 36,274,681.94/8,701.62
  6. Step 6: Final answer
    x = 4,168.73

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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.