Home / 4,076.12-6,115.80-2,127.80

Finding the Fourth Proportional to 4,076.12, 6,115.80 and 2,127.80

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Solution

The fourth proportional to 4,076.12, 6,115.80 and 2,127.80 is: 3,192.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,076.12 : 6,115.80 = 2,127.80 : x
  2. Step 2: Convert to fraction form
    4,076.12/6,115.80 = 2,127.80/x
  3. Step 3: Cross multiply
    4,076.12x = 6,115.80 × 2,127.80
  4. Step 4: Simplify right side
    4,076.12x = 13,013,199.24
  5. Step 5: Solve for x
    x = 13,013,199.24/4,076.12
  6. Step 6: Final answer
    x = 3,192.55

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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.