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Finding the Fourth Proportional to 9,375.10, 12,936.04 and 5,599.78

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Solution

The fourth proportional to 9,375.10, 12,936.04 and 5,599.78 is: 7,726.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,375.10 : 12,936.04 = 5,599.78 : x
  2. Step 2: Convert to fraction form
    9,375.10/12,936.04 = 5,599.78/x
  3. Step 3: Cross multiply
    9,375.10x = 12,936.04 × 5,599.78
  4. Step 4: Simplify right side
    9,375.10x = 72,438,931.73
  5. Step 5: Solve for x
    x = 72,438,931.73/9,375.10
  6. Step 6: Final answer
    x = 7,726.74

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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.