Home / 6,284.43-8,672.36-3,489.75

Finding the Fourth Proportional to 6,284.43, 8,672.36 and 3,489.75

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Solution

The fourth proportional to 6,284.43, 8,672.36 and 3,489.75 is: 4,815.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,284.43 : 8,672.36 = 3,489.75 : x
  2. Step 2: Convert to fraction form
    6,284.43/8,672.36 = 3,489.75/x
  3. Step 3: Cross multiply
    6,284.43x = 8,672.36 × 3,489.75
  4. Step 4: Simplify right side
    6,284.43x = 30,264,350.86
  5. Step 5: Solve for x
    x = 30,264,350.86/6,284.43
  6. Step 6: Final answer
    x = 4,815.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.