Home / 6,318.50-8,719.80-3,524

Finding the Fourth Proportional to 6,318.50, 8,719.80 and 3,524

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Solution

The fourth proportional to 6,318.50, 8,719.80 and 3,524 is: 4,863.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,318.50 : 8,719.80 = 3,524 : x
  2. Step 2: Convert to fraction form
    6,318.50/8,719.80 = 3,524/x
  3. Step 3: Cross multiply
    6,318.50x = 8,719.80 × 3,524
  4. Step 4: Simplify right side
    6,318.50x = 30,728,575.20
  5. Step 5: Solve for x
    x = 30,728,575.20/6,318.50
  6. Step 6: Final answer
    x = 4,863.27

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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.