Home / 8,220.91-12,333.21-2,377.98

Finding the Fourth Proportional to 8,220.91, 12,333.21 and 2,377.98

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Solution

The fourth proportional to 8,220.91, 12,333.21 and 2,377.98 is: 3,567.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,220.91 : 12,333.21 = 2,377.98 : x
  2. Step 2: Convert to fraction form
    8,220.91/12,333.21 = 2,377.98/x
  3. Step 3: Cross multiply
    8,220.91x = 12,333.21 × 2,377.98
  4. Step 4: Simplify right side
    8,220.91x = 29,328,126.72
  5. Step 5: Solve for x
    x = 29,328,126.72/8,220.91
  6. Step 6: Final answer
    x = 3,567.50

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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.