Home / 4,449.75-6,140.57-2,770.31

Finding the Fourth Proportional to 4,449.75, 6,140.57 and 2,770.31

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Solution

The fourth proportional to 4,449.75, 6,140.57 and 2,770.31 is: 3,822.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,449.75 : 6,140.57 = 2,770.31 : x
  2. Step 2: Convert to fraction form
    4,449.75/6,140.57 = 2,770.31/x
  3. Step 3: Cross multiply
    4,449.75x = 6,140.57 × 2,770.31
  4. Step 4: Simplify right side
    4,449.75x = 17,011,282.48
  5. Step 5: Solve for x
    x = 17,011,282.48/4,449.75
  6. Step 6: Final answer
    x = 3,822.97

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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.