Home / 6,754.42-9,321.78-4,102.08

Finding the Fourth Proportional to 6,754.42, 9,321.78 and 4,102.08

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Solution

The fourth proportional to 6,754.42, 9,321.78 and 4,102.08 is: 5,661.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,754.42 : 9,321.78 = 4,102.08 : x
  2. Step 2: Convert to fraction form
    6,754.42/9,321.78 = 4,102.08/x
  3. Step 3: Cross multiply
    6,754.42x = 9,321.78 × 4,102.08
  4. Step 4: Simplify right side
    6,754.42x = 38,238,687.30
  5. Step 5: Solve for x
    x = 38,238,687.30/6,754.42
  6. Step 6: Final answer
    x = 5,661.28

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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.