Home / 8,376.83-12,566.06-2,136.90

Finding the Fourth Proportional to 8,376.83, 12,566.06 and 2,136.90

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Solution

The fourth proportional to 8,376.83, 12,566.06 and 2,136.90 is: 3,205.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,376.83 : 12,566.06 = 2,136.90 : x
  2. Step 2: Convert to fraction form
    8,376.83/12,566.06 = 2,136.90/x
  3. Step 3: Cross multiply
    8,376.83x = 12,566.06 × 2,136.90
  4. Step 4: Simplify right side
    8,376.83x = 26,852,350.78
  5. Step 5: Solve for x
    x = 26,852,350.78/8,376.83
  6. Step 6: Final answer
    x = 3,205.55

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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.