Home / 6,839.93-10,260.30-2,160.09

Finding the Fourth Proportional to 6,839.93, 10,260.30 and 2,160.09

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Solution

The fourth proportional to 6,839.93, 10,260.30 and 2,160.09 is: 3,240.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,839.93 : 10,260.30 = 2,160.09 : x
  2. Step 2: Convert to fraction form
    6,839.93/10,260.30 = 2,160.09/x
  3. Step 3: Cross multiply
    6,839.93x = 10,260.30 × 2,160.09
  4. Step 4: Simplify right side
    6,839.93x = 22,163,171.43
  5. Step 5: Solve for x
    x = 22,163,171.43/6,839.93
  6. Step 6: Final answer
    x = 3,240.26

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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.