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Finding the Fourth Proportional to 7,548.38, 11,311.62 and 4,254.45

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Solution

The fourth proportional to 7,548.38, 11,311.62 and 4,254.45 is: 6,375.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,548.38 : 11,311.62 = 4,254.45 : x
  2. Step 2: Convert to fraction form
    7,548.38/11,311.62 = 4,254.45/x
  3. Step 3: Cross multiply
    7,548.38x = 11,311.62 × 4,254.45
  4. Step 4: Simplify right side
    7,548.38x = 48,124,721.71
  5. Step 5: Solve for x
    x = 48,124,721.71/7,548.38
  6. Step 6: Final answer
    x = 6,375.51

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.