Home / 8,747.43-13,117.73-3,813.70

Finding the Fourth Proportional to 8,747.43, 13,117.73 and 3,813.70

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Solution

The fourth proportional to 8,747.43, 13,117.73 and 3,813.70 is: 5,719.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,747.43 : 13,117.73 = 3,813.70 : x
  2. Step 2: Convert to fraction form
    8,747.43/13,117.73 = 3,813.70/x
  3. Step 3: Cross multiply
    8,747.43x = 13,117.73 × 3,813.70
  4. Step 4: Simplify right side
    8,747.43x = 50,027,086.90
  5. Step 5: Solve for x
    x = 50,027,086.90/8,747.43
  6. Step 6: Final answer
    x = 5,719.06

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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.