Home / 8,220.89-12,333.31-2,377.35

Finding the Fourth Proportional to 8,220.89, 12,333.31 and 2,377.35

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Solution

The fourth proportional to 8,220.89, 12,333.31 and 2,377.35 is: 3,566.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,220.89 : 12,333.31 = 2,377.35 : x
  2. Step 2: Convert to fraction form
    8,220.89/12,333.31 = 2,377.35/x
  3. Step 3: Cross multiply
    8,220.89x = 12,333.31 × 2,377.35
  4. Step 4: Simplify right side
    8,220.89x = 29,320,520.98
  5. Step 5: Solve for x
    x = 29,320,520.98/8,220.89
  6. Step 6: Final answer
    x = 3,566.59

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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.