Home / 4,845.20-6,685.84-2,720.46

Finding the Fourth Proportional to 4,845.20, 6,685.84 and 2,720.46

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Solution

The fourth proportional to 4,845.20, 6,685.84 and 2,720.46 is: 3,753.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,845.20 : 6,685.84 = 2,720.46 : x
  2. Step 2: Convert to fraction form
    4,845.20/6,685.84 = 2,720.46/x
  3. Step 3: Cross multiply
    4,845.20x = 6,685.84 × 2,720.46
  4. Step 4: Simplify right side
    4,845.20x = 18,188,560.29
  5. Step 5: Solve for x
    x = 18,188,560.29/4,845.20
  6. Step 6: Final answer
    x = 3,753.93

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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.