Home / 4,449.87-6,142.08-2,938.55

Finding the Fourth Proportional to 4,449.87, 6,142.08 and 2,938.55

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Solution

The fourth proportional to 4,449.87, 6,142.08 and 2,938.55 is: 4,056.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,449.87 : 6,142.08 = 2,938.55 : x
  2. Step 2: Convert to fraction form
    4,449.87/6,142.08 = 2,938.55/x
  3. Step 3: Cross multiply
    4,449.87x = 6,142.08 × 2,938.55
  4. Step 4: Simplify right side
    4,449.87x = 18,048,789.49
  5. Step 5: Solve for x
    x = 18,048,789.49/4,449.87
  6. Step 6: Final answer
    x = 4,056.03

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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.