Home / 5,682.12-8,528.04-3,219.36

Finding the Fourth Proportional to 5,682.12, 8,528.04 and 3,219.36

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Solution

The fourth proportional to 5,682.12, 8,528.04 and 3,219.36 is: 4,831.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,682.12 : 8,528.04 = 3,219.36 : x
  2. Step 2: Convert to fraction form
    5,682.12/8,528.04 = 3,219.36/x
  3. Step 3: Cross multiply
    5,682.12x = 8,528.04 × 3,219.36
  4. Step 4: Simplify right side
    5,682.12x = 27,454,830.85
  5. Step 5: Solve for x
    x = 27,454,830.85/5,682.12
  6. Step 6: Final answer
    x = 4,831.79

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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.