Home / 8,951.20-13,426.81-3,403.26

Finding the Fourth Proportional to 8,951.20, 13,426.81 and 3,403.26

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Solution

The fourth proportional to 8,951.20, 13,426.81 and 3,403.26 is: 5,104.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,951.20 : 13,426.81 = 3,403.26 : x
  2. Step 2: Convert to fraction form
    8,951.20/13,426.81 = 3,403.26/x
  3. Step 3: Cross multiply
    8,951.20x = 13,426.81 × 3,403.26
  4. Step 4: Simplify right side
    8,951.20x = 45,694,967.24
  5. Step 5: Solve for x
    x = 45,694,967.24/8,951.20
  6. Step 6: Final answer
    x = 5,104.90

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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.