Home / 4,069.70-6,104.55-2,660.30

Finding the Fourth Proportional to 4,069.70, 6,104.55 and 2,660.30

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Solution

The fourth proportional to 4,069.70, 6,104.55 and 2,660.30 is: 3,990.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,069.70 : 6,104.55 = 2,660.30 : x
  2. Step 2: Convert to fraction form
    4,069.70/6,104.55 = 2,660.30/x
  3. Step 3: Cross multiply
    4,069.70x = 6,104.55 × 2,660.30
  4. Step 4: Simplify right side
    4,069.70x = 16,239,934.37
  5. Step 5: Solve for x
    x = 16,239,934.37/4,069.70
  6. Step 6: Final answer
    x = 3,990.45

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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.