Home / 6,231.30-9,347.40-3,760.80

Finding the Fourth Proportional to 6,231.30, 9,347.40 and 3,760.80

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Solution

The fourth proportional to 6,231.30, 9,347.40 and 3,760.80 is: 5,641.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,231.30 : 9,347.40 = 3,760.80 : x
  2. Step 2: Convert to fraction form
    6,231.30/9,347.40 = 3,760.80/x
  3. Step 3: Cross multiply
    6,231.30x = 9,347.40 × 3,760.80
  4. Step 4: Simplify right side
    6,231.30x = 35,153,701.92
  5. Step 5: Solve for x
    x = 35,153,701.92/6,231.30
  6. Step 6: Final answer
    x = 5,641.47

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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.