Home / 4,419.72-6,628.68-4,149.18

Finding the Fourth Proportional to 4,419.72, 6,628.68 and 4,149.18

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Solution

The fourth proportional to 4,419.72, 6,628.68 and 4,149.18 is: 6,222.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,419.72 : 6,628.68 = 4,149.18 : x
  2. Step 2: Convert to fraction form
    4,419.72/6,628.68 = 4,149.18/x
  3. Step 3: Cross multiply
    4,419.72x = 6,628.68 × 4,149.18
  4. Step 4: Simplify right side
    4,419.72x = 27,503,586.48
  5. Step 5: Solve for x
    x = 27,503,586.48/4,419.72
  6. Step 6: Final answer
    x = 6,222.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.