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Finding the Fourth Proportional to 7,040.16, 9,716.16 and 5,268.66

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Solution

The fourth proportional to 7,040.16, 9,716.16 and 5,268.66 is: 7,271.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,040.16 : 9,716.16 = 5,268.66 : x
  2. Step 2: Convert to fraction form
    7,040.16/9,716.16 = 5,268.66/x
  3. Step 3: Cross multiply
    7,040.16x = 9,716.16 × 5,268.66
  4. Step 4: Simplify right side
    7,040.16x = 51,191,143.55
  5. Step 5: Solve for x
    x = 51,191,143.55/7,040.16
  6. Step 6: Final answer
    x = 7,271.30

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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.