Home / 8,072.85-12,108.30-2,150.19

Finding the Fourth Proportional to 8,072.85, 12,108.30 and 2,150.19

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Solution

The fourth proportional to 8,072.85, 12,108.30 and 2,150.19 is: 3,225.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,072.85 : 12,108.30 = 2,150.19 : x
  2. Step 2: Convert to fraction form
    8,072.85/12,108.30 = 2,150.19/x
  3. Step 3: Cross multiply
    8,072.85x = 12,108.30 × 2,150.19
  4. Step 4: Simplify right side
    8,072.85x = 26,035,145.58
  5. Step 5: Solve for x
    x = 26,035,145.58/8,072.85
  6. Step 6: Final answer
    x = 3,225.03

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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.