Home / 6,978.24-9,629.84-3,834.48

Finding the Fourth Proportional to 6,978.24, 9,629.84 and 3,834.48

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Solution

The fourth proportional to 6,978.24, 9,629.84 and 3,834.48 is: 5,291.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,978.24 : 9,629.84 = 3,834.48 : x
  2. Step 2: Convert to fraction form
    6,978.24/9,629.84 = 3,834.48/x
  3. Step 3: Cross multiply
    6,978.24x = 9,629.84 × 3,834.48
  4. Step 4: Simplify right side
    6,978.24x = 36,925,428.88
  5. Step 5: Solve for x
    x = 36,925,428.88/6,978.24
  6. Step 6: Final answer
    x = 5,291.51

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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.