Home / 6,231.80-9,350.40-3,153.80

Finding the Fourth Proportional to 6,231.80, 9,350.40 and 3,153.80

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Solution

The fourth proportional to 6,231.80, 9,350.40 and 3,153.80 is: 4,732.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,231.80 : 9,350.40 = 3,153.80 : x
  2. Step 2: Convert to fraction form
    6,231.80/9,350.40 = 3,153.80/x
  3. Step 3: Cross multiply
    6,231.80x = 9,350.40 × 3,153.80
  4. Step 4: Simplify right side
    6,231.80x = 29,489,291.52
  5. Step 5: Solve for x
    x = 29,489,291.52/6,231.80
  6. Step 6: Final answer
    x = 4,732.07

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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.