Home / 8,324.42-12,485.12-3,643.52

Finding the Fourth Proportional to 8,324.42, 12,485.12 and 3,643.52

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Solution

The fourth proportional to 8,324.42, 12,485.12 and 3,643.52 is: 5,464.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,324.42 : 12,485.12 = 3,643.52 : x
  2. Step 2: Convert to fraction form
    8,324.42/12,485.12 = 3,643.52/x
  3. Step 3: Cross multiply
    8,324.42x = 12,485.12 × 3,643.52
  4. Step 4: Simplify right side
    8,324.42x = 45,489,784.42
  5. Step 5: Solve for x
    x = 45,489,784.42/8,324.42
  6. Step 6: Final answer
    x = 5,464.62

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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.