Home / 3,626.40-5,447.70-3,529.20

Finding the Fourth Proportional to 3,626.40, 5,447.70 and 3,529.20

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Solution

The fourth proportional to 3,626.40, 5,447.70 and 3,529.20 is: 5,301.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,626.40 : 5,447.70 = 3,529.20 : x
  2. Step 2: Convert to fraction form
    3,626.40/5,447.70 = 3,529.20/x
  3. Step 3: Cross multiply
    3,626.40x = 5,447.70 × 3,529.20
  4. Step 4: Simplify right side
    3,626.40x = 19,226,022.84
  5. Step 5: Solve for x
    x = 19,226,022.84/3,626.40
  6. Step 6: Final answer
    x = 5,301.68

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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.