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Finding the Fourth Proportional to 7,316.95, 10,097.31 and 3,959.69

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Solution

The fourth proportional to 7,316.95, 10,097.31 and 3,959.69 is: 5,464.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,316.95 : 10,097.31 = 3,959.69 : x
  2. Step 2: Convert to fraction form
    7,316.95/10,097.31 = 3,959.69/x
  3. Step 3: Cross multiply
    7,316.95x = 10,097.31 × 3,959.69
  4. Step 4: Simplify right side
    7,316.95x = 39,982,166.95
  5. Step 5: Solve for x
    x = 39,982,166.95/7,316.95
  6. Step 6: Final answer
    x = 5,464.33

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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.