Home / 8,993.20-13,490.78-3,451.25

Finding the Fourth Proportional to 8,993.20, 13,490.78 and 3,451.25

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Solution

The fourth proportional to 8,993.20, 13,490.78 and 3,451.25 is: 5,177.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,993.20 : 13,490.78 = 3,451.25 : x
  2. Step 2: Convert to fraction form
    8,993.20/13,490.78 = 3,451.25/x
  3. Step 3: Cross multiply
    8,993.20x = 13,490.78 × 3,451.25
  4. Step 4: Simplify right side
    8,993.20x = 46,560,054.48
  5. Step 5: Solve for x
    x = 46,560,054.48/8,993.20
  6. Step 6: Final answer
    x = 5,177.25

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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.