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Finding the Fourth Proportional to 7,385.66, 10,192.03 and 4,028.55

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Solution

The fourth proportional to 7,385.66, 10,192.03 and 4,028.55 is: 5,559.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,385.66 : 10,192.03 = 4,028.55 : x
  2. Step 2: Convert to fraction form
    7,385.66/10,192.03 = 4,028.55/x
  3. Step 3: Cross multiply
    7,385.66x = 10,192.03 × 4,028.55
  4. Step 4: Simplify right side
    7,385.66x = 41,059,082.31
  5. Step 5: Solve for x
    x = 41,059,082.31/7,385.66
  6. Step 6: Final answer
    x = 5,559.30

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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.