Home / 8,704.17-13,057.23-2,778.95

Finding the Fourth Proportional to 8,704.17, 13,057.23 and 2,778.95

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Solution

The fourth proportional to 8,704.17, 13,057.23 and 2,778.95 is: 4,168.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,704.17 : 13,057.23 = 2,778.95 : x
  2. Step 2: Convert to fraction form
    8,704.17/13,057.23 = 2,778.95/x
  3. Step 3: Cross multiply
    8,704.17x = 13,057.23 × 2,778.95
  4. Step 4: Simplify right side
    8,704.17x = 36,285,389.31
  5. Step 5: Solve for x
    x = 36,285,389.31/8,704.17
  6. Step 6: Final answer
    x = 4,168.74

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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.