Home / 5,768.20-8,651.58-1,872.28

Finding the Fourth Proportional to 5,768.20, 8,651.58 and 1,872.28

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Solution

The fourth proportional to 5,768.20, 8,651.58 and 1,872.28 is: 2,808.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,768.20 : 8,651.58 = 1,872.28 : x
  2. Step 2: Convert to fraction form
    5,768.20/8,651.58 = 1,872.28/x
  3. Step 3: Cross multiply
    5,768.20x = 8,651.58 × 1,872.28
  4. Step 4: Simplify right side
    5,768.20x = 16,198,180.20
  5. Step 5: Solve for x
    x = 16,198,180.20/5,768.20
  6. Step 6: Final answer
    x = 2,808.19

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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.