Home / 4,091.90-6,125.70-2,706.80

Finding the Fourth Proportional to 4,091.90, 6,125.70 and 2,706.80

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Solution

The fourth proportional to 4,091.90, 6,125.70 and 2,706.80 is: 4,052.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,091.90 : 6,125.70 = 2,706.80 : x
  2. Step 2: Convert to fraction form
    4,091.90/6,125.70 = 2,706.80/x
  3. Step 3: Cross multiply
    4,091.90x = 6,125.70 × 2,706.80
  4. Step 4: Simplify right side
    4,091.90x = 16,581,044.76
  5. Step 5: Solve for x
    x = 16,581,044.76/4,091.90
  6. Step 6: Final answer
    x = 4,052.16

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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.