Home / 4,399.95-6,600.00-1,478.28

Finding the Fourth Proportional to 4,399.95, 6,600.00 and 1,478.28

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Solution

The fourth proportional to 4,399.95, 6,600.00 and 1,478.28 is: 2,217.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,399.95 : 6,600.00 = 1,478.28 : x
  2. Step 2: Convert to fraction form
    4,399.95/6,600.00 = 1,478.28/x
  3. Step 3: Cross multiply
    4,399.95x = 6,600.00 × 1,478.28
  4. Step 4: Simplify right side
    4,399.95x = 9,756,640.61
  5. Step 5: Solve for x
    x = 9,756,640.61/4,399.95
  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.