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Finding the Fourth Proportional to 7,025.78, 9,695.22 and 3,881.36

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Solution

The fourth proportional to 7,025.78, 9,695.22 and 3,881.36 is: 5,356.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,025.78 : 9,695.22 = 3,881.36 : x
  2. Step 2: Convert to fraction form
    7,025.78/9,695.22 = 3,881.36/x
  3. Step 3: Cross multiply
    7,025.78x = 9,695.22 × 3,881.36
  4. Step 4: Simplify right side
    7,025.78x = 37,630,639.10
  5. Step 5: Solve for x
    x = 37,630,639.10/7,025.78
  6. Step 6: Final answer
    x = 5,356.08

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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.