Home / 4,819.56-6,652.10-3,138.04

Finding the Fourth Proportional to 4,819.56, 6,652.10 and 3,138.04

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Solution

The fourth proportional to 4,819.56, 6,652.10 and 3,138.04 is: 4,331.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,819.56 : 6,652.10 = 3,138.04 : x
  2. Step 2: Convert to fraction form
    4,819.56/6,652.10 = 3,138.04/x
  3. Step 3: Cross multiply
    4,819.56x = 6,652.10 × 3,138.04
  4. Step 4: Simplify right side
    4,819.56x = 20,874,506.93
  5. Step 5: Solve for x
    x = 20,874,506.93/4,819.56
  6. Step 6: Final answer
    x = 4,331.21

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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.