Home / 8,170.19-12,254.12-2,622.81

Finding the Fourth Proportional to 8,170.19, 12,254.12 and 2,622.81

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Solution

The fourth proportional to 8,170.19, 12,254.12 and 2,622.81 is: 3,933.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,170.19 : 12,254.12 = 2,622.81 : x
  2. Step 2: Convert to fraction form
    8,170.19/12,254.12 = 2,622.81/x
  3. Step 3: Cross multiply
    8,170.19x = 12,254.12 × 2,622.81
  4. Step 4: Simplify right side
    8,170.19x = 32,140,285.90
  5. Step 5: Solve for x
    x = 32,140,285.90/8,170.19
  6. Step 6: Final answer
    x = 3,933.85

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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.