Home / 4,447.89-6,138.18-2,679.12

Finding the Fourth Proportional to 4,447.89, 6,138.18 and 2,679.12

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Solution

The fourth proportional to 4,447.89, 6,138.18 and 2,679.12 is: 3,697.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,447.89 : 6,138.18 = 2,679.12 : x
  2. Step 2: Convert to fraction form
    4,447.89/6,138.18 = 2,679.12/x
  3. Step 3: Cross multiply
    4,447.89x = 6,138.18 × 2,679.12
  4. Step 4: Simplify right side
    4,447.89x = 16,444,920.80
  5. Step 5: Solve for x
    x = 16,444,920.80/4,447.89
  6. Step 6: Final answer
    x = 3,697.24

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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.