Home / 4,399.20-6,599.43-1,478.34

Finding the Fourth Proportional to 4,399.20, 6,599.43 and 1,478.34

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Solution

The fourth proportional to 4,399.20, 6,599.43 and 1,478.34 is: 2,217.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,399.20 : 6,599.43 = 1,478.34 : x
  2. Step 2: Convert to fraction form
    4,399.20/6,599.43 = 1,478.34/x
  3. Step 3: Cross multiply
    4,399.20x = 6,599.43 × 1,478.34
  4. Step 4: Simplify right side
    4,399.20x = 9,756,201.35
  5. Step 5: Solve for x
    x = 9,756,201.35/4,399.20
  6. Step 6: Final answer
    x = 2,217.72

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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.