Home / 8,188.90-12,283.95-2,644.85

Finding the Fourth Proportional to 8,188.90, 12,283.95 and 2,644.85

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Solution

The fourth proportional to 8,188.90, 12,283.95 and 2,644.85 is: 3,967.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,188.90 : 12,283.95 = 2,644.85 : x
  2. Step 2: Convert to fraction form
    8,188.90/12,283.95 = 2,644.85/x
  3. Step 3: Cross multiply
    8,188.90x = 12,283.95 × 2,644.85
  4. Step 4: Simplify right side
    8,188.90x = 32,489,245.79
  5. Step 5: Solve for x
    x = 32,489,245.79/8,188.90
  6. Step 6: Final answer
    x = 3,967.47

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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.