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Finding the Fourth Proportional to 7,063.41, 9,747.78 and 4,079.64

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Solution

The fourth proportional to 7,063.41, 9,747.78 and 4,079.64 is: 5,630.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,063.41 : 9,747.78 = 4,079.64 : x
  2. Step 2: Convert to fraction form
    7,063.41/9,747.78 = 4,079.64/x
  3. Step 3: Cross multiply
    7,063.41x = 9,747.78 × 4,079.64
  4. Step 4: Simplify right side
    7,063.41x = 39,767,433.20
  5. Step 5: Solve for x
    x = 39,767,433.20/7,063.41
  6. Step 6: Final answer
    x = 5,630.06

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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.