Home / 6,620.02-9,135.66-3,788.02

Finding the Fourth Proportional to 6,620.02, 9,135.66 and 3,788.02

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Solution

The fourth proportional to 6,620.02, 9,135.66 and 3,788.02 is: 5,227.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,620.02 : 9,135.66 = 3,788.02 : x
  2. Step 2: Convert to fraction form
    6,620.02/9,135.66 = 3,788.02/x
  3. Step 3: Cross multiply
    6,620.02x = 9,135.66 × 3,788.02
  4. Step 4: Simplify right side
    6,620.02x = 34,606,062.79
  5. Step 5: Solve for x
    x = 34,606,062.79/6,620.02
  6. Step 6: Final answer
    x = 5,227.49

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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.