Home / 5,449.10-7,519.69-3,211.07

Finding the Fourth Proportional to 5,449.10, 7,519.69 and 3,211.07

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Solution

The fourth proportional to 5,449.10, 7,519.69 and 3,211.07 is: 4,431.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,449.10 : 7,519.69 = 3,211.07 : x
  2. Step 2: Convert to fraction form
    5,449.10/7,519.69 = 3,211.07/x
  3. Step 3: Cross multiply
    5,449.10x = 7,519.69 × 3,211.07
  4. Step 4: Simplify right side
    5,449.10x = 24,146,273.78
  5. Step 5: Solve for x
    x = 24,146,273.78/5,449.10
  6. Step 6: Final answer
    x = 4,431.24

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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.