Home / 8,219.26-12,330.06-2,670.82

Finding the Fourth Proportional to 8,219.26, 12,330.06 and 2,670.82

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Solution

The fourth proportional to 8,219.26, 12,330.06 and 2,670.82 is: 4,006.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,219.26 : 12,330.06 = 2,670.82 : x
  2. Step 2: Convert to fraction form
    8,219.26/12,330.06 = 2,670.82/x
  3. Step 3: Cross multiply
    8,219.26x = 12,330.06 × 2,670.82
  4. Step 4: Simplify right side
    8,219.26x = 32,931,370.85
  5. Step 5: Solve for x
    x = 32,931,370.85/8,219.26
  6. Step 6: Final answer
    x = 4,006.61

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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.