Home / 6,619.47-9,135.08-3,824.97

Finding the Fourth Proportional to 6,619.47, 9,135.08 and 3,824.97

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Solution

The fourth proportional to 6,619.47, 9,135.08 and 3,824.97 is: 5,278.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,619.47 : 9,135.08 = 3,824.97 : x
  2. Step 2: Convert to fraction form
    6,619.47/9,135.08 = 3,824.97/x
  3. Step 3: Cross multiply
    6,619.47x = 9,135.08 × 3,824.97
  4. Step 4: Simplify right side
    6,619.47x = 34,941,342.15
  5. Step 5: Solve for x
    x = 34,941,342.15/6,619.47
  6. Step 6: Final answer
    x = 5,278.57

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