Home / 8,960.60-13,434.62-3,414.28

Finding the Fourth Proportional to 8,960.60, 13,434.62 and 3,414.28

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Solution

The fourth proportional to 8,960.60, 13,434.62 and 3,414.28 is: 5,119.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,960.60 : 13,434.62 = 3,414.28 : x
  2. Step 2: Convert to fraction form
    8,960.60/13,434.62 = 3,414.28/x
  3. Step 3: Cross multiply
    8,960.60x = 13,434.62 × 3,414.28
  4. Step 4: Simplify right side
    8,960.60x = 45,869,554.37
  5. Step 5: Solve for x
    x = 45,869,554.37/8,960.60
  6. Step 6: Final answer
    x = 5,119.03

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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.