Home / 3,660.91-5,493.45-3,631.18

Finding the Fourth Proportional to 3,660.91, 5,493.45 and 3,631.18

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Solution

The fourth proportional to 3,660.91, 5,493.45 and 3,631.18 is: 5,448.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,660.91 : 5,493.45 = 3,631.18 : x
  2. Step 2: Convert to fraction form
    3,660.91/5,493.45 = 3,631.18/x
  3. Step 3: Cross multiply
    3,660.91x = 5,493.45 × 3,631.18
  4. Step 4: Simplify right side
    3,660.91x = 19,947,705.77
  5. Step 5: Solve for x
    x = 19,947,705.77/3,660.91
  6. Step 6: Final answer
    x = 5,448.84

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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.