Home / 9,338.28-12,884.26-5,359.20

Finding the Fourth Proportional to 9,338.28, 12,884.26 and 5,359.20

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Solution

The fourth proportional to 9,338.28, 12,884.26 and 5,359.20 is: 7,394.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,338.28 : 12,884.26 = 5,359.20 : x
  2. Step 2: Convert to fraction form
    9,338.28/12,884.26 = 5,359.20/x
  3. Step 3: Cross multiply
    9,338.28x = 12,884.26 × 5,359.20
  4. Step 4: Simplify right side
    9,338.28x = 69,049,326.19
  5. Step 5: Solve for x
    x = 69,049,326.19/9,338.28
  6. Step 6: Final answer
    x = 7,394.22

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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.