Home / 4,820.60-6,650.88-3,144.36

Finding the Fourth Proportional to 4,820.60, 6,650.88 and 3,144.36

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Solution

The fourth proportional to 4,820.60, 6,650.88 and 3,144.36 is: 4,338.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,820.60 : 6,650.88 = 3,144.36 : x
  2. Step 2: Convert to fraction form
    4,820.60/6,650.88 = 3,144.36/x
  3. Step 3: Cross multiply
    4,820.60x = 6,650.88 × 3,144.36
  4. Step 4: Simplify right side
    4,820.60x = 20,912,761.04
  5. Step 5: Solve for x
    x = 20,912,761.04/4,820.60
  6. Step 6: Final answer
    x = 4,338.21

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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.