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Finding the Fourth Proportional to 6,758.88, 9,327.42 and 3,734.19

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Solution

The fourth proportional to 6,758.88, 9,327.42 and 3,734.19 is: 5,153.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,758.88 : 9,327.42 = 3,734.19 : x
  2. Step 2: Convert to fraction form
    6,758.88/9,327.42 = 3,734.19/x
  3. Step 3: Cross multiply
    6,758.88x = 9,327.42 × 3,734.19
  4. Step 4: Simplify right side
    6,758.88x = 34,830,358.49
  5. Step 5: Solve for x
    x = 34,830,358.49/6,758.88
  6. Step 6: Final answer
    x = 5,153.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.