Home / 4,220.28-6,330.24-2,022.36

Finding the Fourth Proportional to 4,220.28, 6,330.24 and 2,022.36

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Solution

The fourth proportional to 4,220.28, 6,330.24 and 2,022.36 is: 3,033.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,220.28 : 6,330.24 = 2,022.36 : x
  2. Step 2: Convert to fraction form
    4,220.28/6,330.24 = 2,022.36/x
  3. Step 3: Cross multiply
    4,220.28x = 6,330.24 × 2,022.36
  4. Step 4: Simplify right side
    4,220.28x = 12,802,024.17
  5. Step 5: Solve for x
    x = 12,802,024.17/4,220.28
  6. Step 6: Final answer
    x = 3,033.45

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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.