Home / 4,220.86-6,331.10-2,834.78

Finding the Fourth Proportional to 4,220.86, 6,331.10 and 2,834.78

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Solution

The fourth proportional to 4,220.86, 6,331.10 and 2,834.78 is: 4,252.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,220.86 : 6,331.10 = 2,834.78 : x
  2. Step 2: Convert to fraction form
    4,220.86/6,331.10 = 2,834.78/x
  3. Step 3: Cross multiply
    4,220.86x = 6,331.10 × 2,834.78
  4. Step 4: Simplify right side
    4,220.86x = 17,947,275.66
  5. Step 5: Solve for x
    x = 17,947,275.66/4,220.86
  6. Step 6: Final answer
    x = 4,252.04

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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.