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Finding the Fourth Proportional to 6,704.40, 9,261.09 and 5,151.90

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Solution

The fourth proportional to 6,704.40, 9,261.09 and 5,151.90 is: 7,116.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,704.40 : 9,261.09 = 5,151.90 : x
  2. Step 2: Convert to fraction form
    6,704.40/9,261.09 = 5,151.90/x
  3. Step 3: Cross multiply
    6,704.40x = 9,261.09 × 5,151.90
  4. Step 4: Simplify right side
    6,704.40x = 47,712,209.57
  5. Step 5: Solve for x
    x = 47,712,209.57/6,704.40
  6. Step 6: Final answer
    x = 7,116.55

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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.