Home / 6,789.15-10,165.50-3,863.43

Finding the Fourth Proportional to 6,789.15, 10,165.50 and 3,863.43

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Solution

The fourth proportional to 6,789.15, 10,165.50 and 3,863.43 is: 5,784.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,789.15 : 10,165.50 = 3,863.43 : x
  2. Step 2: Convert to fraction form
    6,789.15/10,165.50 = 3,863.43/x
  3. Step 3: Cross multiply
    6,789.15x = 10,165.50 × 3,863.43
  4. Step 4: Simplify right side
    6,789.15x = 39,273,697.67
  5. Step 5: Solve for x
    x = 39,273,697.67/6,789.15
  6. Step 6: Final answer
    x = 5,784.77

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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.