Home / 5,816.16-8,722.38-1,919.64

Finding the Fourth Proportional to 5,816.16, 8,722.38 and 1,919.64

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Solution

The fourth proportional to 5,816.16, 8,722.38 and 1,919.64 is: 2,878.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,816.16 : 8,722.38 = 1,919.64 : x
  2. Step 2: Convert to fraction form
    5,816.16/8,722.38 = 1,919.64/x
  3. Step 3: Cross multiply
    5,816.16x = 8,722.38 × 1,919.64
  4. Step 4: Simplify right side
    5,816.16x = 16,743,829.54
  5. Step 5: Solve for x
    x = 16,743,829.54/5,816.16
  6. Step 6: Final answer
    x = 2,878.85

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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.