Home / 6,807.09-10,209.66-2,126.01

Finding the Fourth Proportional to 6,807.09, 10,209.66 and 2,126.01

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Solution

The fourth proportional to 6,807.09, 10,209.66 and 2,126.01 is: 3,188.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,807.09 : 10,209.66 = 2,126.01 : x
  2. Step 2: Convert to fraction form
    6,807.09/10,209.66 = 2,126.01/x
  3. Step 3: Cross multiply
    6,807.09x = 10,209.66 × 2,126.01
  4. Step 4: Simplify right side
    6,807.09x = 21,705,839.26
  5. Step 5: Solve for x
    x = 21,705,839.26/6,807.09
  6. Step 6: Final answer
    x = 3,188.71

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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.