Home / 6,933.78-9,567.50-3,949.68

Finding the Fourth Proportional to 6,933.78, 9,567.50 and 3,949.68

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Solution

The fourth proportional to 6,933.78, 9,567.50 and 3,949.68 is: 5,449.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,933.78 : 9,567.50 = 3,949.68 : x
  2. Step 2: Convert to fraction form
    6,933.78/9,567.50 = 3,949.68/x
  3. Step 3: Cross multiply
    6,933.78x = 9,567.50 × 3,949.68
  4. Step 4: Simplify right side
    6,933.78x = 37,788,525.44
  5. Step 5: Solve for x
    x = 37,788,525.44/6,933.78
  6. Step 6: Final answer
    x = 5,449.92

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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.