Home / 6,243.15-8,625.68-6,181.71

Finding the Fourth Proportional to 6,243.15, 8,625.68 and 6,181.71

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Solution

The fourth proportional to 6,243.15, 8,625.68 and 6,181.71 is: 8,540.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,243.15 : 8,625.68 = 6,181.71 : x
  2. Step 2: Convert to fraction form
    6,243.15/8,625.68 = 6,181.71/x
  3. Step 3: Cross multiply
    6,243.15x = 8,625.68 × 6,181.71
  4. Step 4: Simplify right side
    6,243.15x = 53,321,421.40
  5. Step 5: Solve for x
    x = 53,321,421.40/6,243.15
  6. Step 6: Final answer
    x = 8,540.79

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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.