Home / 5,449.53-7,519.33-3,212.11

Finding the Fourth Proportional to 5,449.53, 7,519.33 and 3,212.11

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Solution

The fourth proportional to 5,449.53, 7,519.33 and 3,212.11 is: 4,432.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,449.53 : 7,519.33 = 3,212.11 : x
  2. Step 2: Convert to fraction form
    5,449.53/7,519.33 = 3,212.11/x
  3. Step 3: Cross multiply
    5,449.53x = 7,519.33 × 3,212.11
  4. Step 4: Simplify right side
    5,449.53x = 24,152,886.20
  5. Step 5: Solve for x
    x = 24,152,886.20/5,449.53
  6. Step 6: Final answer
    x = 4,432.11

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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.