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Finding the Fourth Proportional to 7,265.88, 10,012.88 and 5,166.36

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Solution

The fourth proportional to 7,265.88, 10,012.88 and 5,166.36 is: 7,119.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,265.88 : 10,012.88 = 5,166.36 : x
  2. Step 2: Convert to fraction form
    7,265.88/10,012.88 = 5,166.36/x
  3. Step 3: Cross multiply
    7,265.88x = 10,012.88 × 5,166.36
  4. Step 4: Simplify right side
    7,265.88x = 51,730,142.72
  5. Step 5: Solve for x
    x = 51,730,142.72/7,265.88
  6. Step 6: Final answer
    x = 7,119.60

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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.