Home / 10,874.85-16,310.75-3,479.95

Finding the Fourth Proportional to 10,874.85, 16,310.75 and 3,479.95

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Solution

The fourth proportional to 10,874.85, 16,310.75 and 3,479.95 is: 5,219.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,874.85 : 16,310.75 = 3,479.95 : x
  2. Step 2: Convert to fraction form
    10,874.85/16,310.75 = 3,479.95/x
  3. Step 3: Cross multiply
    10,874.85x = 16,310.75 × 3,479.95
  4. Step 4: Simplify right side
    10,874.85x = 56,760,594.46
  5. Step 5: Solve for x
    x = 56,760,594.46/10,874.85
  6. Step 6: Final answer
    x = 5,219.44

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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.