Home / 8,325.83-12,481.39-4,378.29

Finding the Fourth Proportional to 8,325.83, 12,481.39 and 4,378.29

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Solution

The fourth proportional to 8,325.83, 12,481.39 and 4,378.29 is: 6,563.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,325.83 : 12,481.39 = 4,378.29 : x
  2. Step 2: Convert to fraction form
    8,325.83/12,481.39 = 4,378.29/x
  3. Step 3: Cross multiply
    8,325.83x = 12,481.39 × 4,378.29
  4. Step 4: Simplify right side
    8,325.83x = 54,647,145.02
  5. Step 5: Solve for x
    x = 54,647,145.02/8,325.83
  6. Step 6: Final answer
    x = 6,563.57

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1.5x scale

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.