Home / 6,517.75-9,777.20-1,837.79

Finding the Fourth Proportional to 6,517.75, 9,777.20 and 1,837.79

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Solution

The fourth proportional to 6,517.75, 9,777.20 and 1,837.79 is: 2,756.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,517.75 : 9,777.20 = 1,837.79 : x
  2. Step 2: Convert to fraction form
    6,517.75/9,777.20 = 1,837.79/x
  3. Step 3: Cross multiply
    6,517.75x = 9,777.20 × 1,837.79
  4. Step 4: Simplify right side
    6,517.75x = 17,968,455.64
  5. Step 5: Solve for x
    x = 17,968,455.64/6,517.75
  6. Step 6: Final answer
    x = 2,756.85

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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.