Home / 4,589.22-6,331.09-2,819.78

Finding the Fourth Proportional to 4,589.22, 6,331.09 and 2,819.78

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Solution

The fourth proportional to 4,589.22, 6,331.09 and 2,819.78 is: 3,890.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,589.22 : 6,331.09 = 2,819.78 : x
  2. Step 2: Convert to fraction form
    4,589.22/6,331.09 = 2,819.78/x
  3. Step 3: Cross multiply
    4,589.22x = 6,331.09 × 2,819.78
  4. Step 4: Simplify right side
    4,589.22x = 17,852,280.96
  5. Step 5: Solve for x
    x = 17,852,280.96/4,589.22
  6. Step 6: Final answer
    x = 3,890.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.