Home / 5,449.87-7,521.07-3,211.84

Finding the Fourth Proportional to 5,449.87, 7,521.07 and 3,211.84

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Solution

The fourth proportional to 5,449.87, 7,521.07 and 3,211.84 is: 4,432.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,449.87 : 7,521.07 = 3,211.84 : x
  2. Step 2: Convert to fraction form
    5,449.87/7,521.07 = 3,211.84/x
  3. Step 3: Cross multiply
    5,449.87x = 7,521.07 × 3,211.84
  4. Step 4: Simplify right side
    5,449.87x = 24,156,486.88
  5. Step 5: Solve for x
    x = 24,156,486.88/5,449.87
  6. Step 6: Final answer
    x = 4,432.49

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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.