Home / 6,622.02-9,138.62-3,637.96

Finding the Fourth Proportional to 6,622.02, 9,138.62 and 3,637.96

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Solution

The fourth proportional to 6,622.02, 9,138.62 and 3,637.96 is: 5,020.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,622.02 : 9,138.62 = 3,637.96 : x
  2. Step 2: Convert to fraction form
    6,622.02/9,138.62 = 3,637.96/x
  3. Step 3: Cross multiply
    6,622.02x = 9,138.62 × 3,637.96
  4. Step 4: Simplify right side
    6,622.02x = 33,245,920.26
  5. Step 5: Solve for x
    x = 33,245,920.26/6,622.02
  6. Step 6: Final answer
    x = 5,020.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.