Home / 8,128.88-11,217.46-4,592.60

Finding the Fourth Proportional to 8,128.88, 11,217.46 and 4,592.60

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Solution

The fourth proportional to 8,128.88, 11,217.46 and 4,592.60 is: 6,337.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,128.88 : 11,217.46 = 4,592.60 : x
  2. Step 2: Convert to fraction form
    8,128.88/11,217.46 = 4,592.60/x
  3. Step 3: Cross multiply
    8,128.88x = 11,217.46 × 4,592.60
  4. Step 4: Simplify right side
    8,128.88x = 51,517,306.80
  5. Step 5: Solve for x
    x = 51,517,306.80/8,128.88
  6. Step 6: Final answer
    x = 6,337.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.