Home / 5,910.20-8,866.74-1,806.20

Finding the Fourth Proportional to 5,910.20, 8,866.74 and 1,806.20

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Solution

The fourth proportional to 5,910.20, 8,866.74 and 1,806.20 is: 2,709.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,910.20 : 8,866.74 = 1,806.20 : x
  2. Step 2: Convert to fraction form
    5,910.20/8,866.74 = 1,806.20/x
  3. Step 3: Cross multiply
    5,910.20x = 8,866.74 × 1,806.20
  4. Step 4: Simplify right side
    5,910.20x = 16,015,061.45
  5. Step 5: Solve for x
    x = 16,015,061.45/5,910.20
  6. Step 6: Final answer
    x = 2,709.73

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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.