Home / 4,399.82-6,600.72-1,478.05

Finding the Fourth Proportional to 4,399.82, 6,600.72 and 1,478.05

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Solution

The fourth proportional to 4,399.82, 6,600.72 and 1,478.05 is: 2,217.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,399.82 : 6,600.72 = 1,478.05 : x
  2. Step 2: Convert to fraction form
    4,399.82/6,600.72 = 1,478.05/x
  3. Step 3: Cross multiply
    4,399.82x = 6,600.72 × 1,478.05
  4. Step 4: Simplify right side
    4,399.82x = 9,756,153.80
  5. Step 5: Solve for x
    x = 9,756,153.80/4,399.82
  6. Step 6: Final answer
    x = 2,217.40

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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.