Home / 4,127.04-6,189.76-1,936.80

Finding the Fourth Proportional to 4,127.04, 6,189.76 and 1,936.80

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Solution

The fourth proportional to 4,127.04, 6,189.76 and 1,936.80 is: 2,904.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,127.04 : 6,189.76 = 1,936.80 : x
  2. Step 2: Convert to fraction form
    4,127.04/6,189.76 = 1,936.80/x
  3. Step 3: Cross multiply
    4,127.04x = 6,189.76 × 1,936.80
  4. Step 4: Simplify right side
    4,127.04x = 11,988,327.17
  5. Step 5: Solve for x
    x = 11,988,327.17/4,127.04
  6. Step 6: Final answer
    x = 2,904.82

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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.