Home / 6,368.45-9,542.93-3,243.78

Finding the Fourth Proportional to 6,368.45, 9,542.93 and 3,243.78

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Solution

The fourth proportional to 6,368.45, 9,542.93 and 3,243.78 is: 4,860.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,368.45 : 9,542.93 = 3,243.78 : x
  2. Step 2: Convert to fraction form
    6,368.45/9,542.93 = 3,243.78/x
  3. Step 3: Cross multiply
    6,368.45x = 9,542.93 × 3,243.78
  4. Step 4: Simplify right side
    6,368.45x = 30,955,149.26
  5. Step 5: Solve for x
    x = 30,955,149.26/6,368.45
  6. Step 6: Final answer
    x = 4,860.71

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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.