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Finding the Fourth Proportional to 6,932.96, 10,404.90 and 3,040.08

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Solution

The fourth proportional to 6,932.96, 10,404.90 and 3,040.08 is: 4,562.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,932.96 : 10,404.90 = 3,040.08 : x
  2. Step 2: Convert to fraction form
    6,932.96/10,404.90 = 3,040.08/x
  3. Step 3: Cross multiply
    6,932.96x = 10,404.90 × 3,040.08
  4. Step 4: Simplify right side
    6,932.96x = 31,631,728.39
  5. Step 5: Solve for x
    x = 31,631,728.39/6,932.96
  6. Step 6: Final answer
    x = 4,562.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.