Home / 4,399.83-6,600.75-1,478.07

Finding the Fourth Proportional to 4,399.83, 6,600.75 and 1,478.07

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Solution

The fourth proportional to 4,399.83, 6,600.75 and 1,478.07 is: 2,217.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,399.83 : 6,600.75 = 1,478.07 : x
  2. Step 2: Convert to fraction form
    4,399.83/6,600.75 = 1,478.07/x
  3. Step 3: Cross multiply
    4,399.83x = 6,600.75 × 1,478.07
  4. Step 4: Simplify right side
    4,399.83x = 9,756,370.55
  5. Step 5: Solve for x
    x = 9,756,370.55/4,399.83
  6. Step 6: Final answer
    x = 2,217.44

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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.