Home / 8,302.12-12,454.74-3,622.12

Finding the Fourth Proportional to 8,302.12, 12,454.74 and 3,622.12

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Solution

The fourth proportional to 8,302.12, 12,454.74 and 3,622.12 is: 5,433.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,302.12 : 12,454.74 = 3,622.12 : x
  2. Step 2: Convert to fraction form
    8,302.12/12,454.74 = 3,622.12/x
  3. Step 3: Cross multiply
    8,302.12x = 12,454.74 × 3,622.12
  4. Step 4: Simplify right side
    8,302.12x = 45,112,562.85
  5. Step 5: Solve for x
    x = 45,112,562.85/8,302.12
  6. Step 6: Final answer
    x = 5,433.86

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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.