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Finding the Fourth Proportional to 6,759.53, 9,334.53 and 6,391.38

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Solution

The fourth proportional to 6,759.53, 9,334.53 and 6,391.38 is: 8,826.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,759.53 : 9,334.53 = 6,391.38 : x
  2. Step 2: Convert to fraction form
    6,759.53/9,334.53 = 6,391.38/x
  3. Step 3: Cross multiply
    6,759.53x = 9,334.53 × 6,391.38
  4. Step 4: Simplify right side
    6,759.53x = 59,660,528.35
  5. Step 5: Solve for x
    x = 59,660,528.35/6,759.53
  6. Step 6: Final answer
    x = 8,826.14

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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.