Home / 8,110.04-12,170.30-2,915.80

Finding the Fourth Proportional to 8,110.04, 12,170.30 and 2,915.80

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Solution

The fourth proportional to 8,110.04, 12,170.30 and 2,915.80 is: 4,375.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,110.04 : 12,170.30 = 2,915.80 : x
  2. Step 2: Convert to fraction form
    8,110.04/12,170.30 = 2,915.80/x
  3. Step 3: Cross multiply
    8,110.04x = 12,170.30 × 2,915.80
  4. Step 4: Simplify right side
    8,110.04x = 35,486,160.74
  5. Step 5: Solve for x
    x = 35,486,160.74/8,110.04
  6. Step 6: Final answer
    x = 4,375.58

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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.