Home / 6,791.09-10,188.23-2,840.15

Finding the Fourth Proportional to 6,791.09, 10,188.23 and 2,840.15

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Solution

The fourth proportional to 6,791.09, 10,188.23 and 2,840.15 is: 4,260.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,791.09 : 10,188.23 = 2,840.15 : x
  2. Step 2: Convert to fraction form
    6,791.09/10,188.23 = 2,840.15/x
  3. Step 3: Cross multiply
    6,791.09x = 10,188.23 × 2,840.15
  4. Step 4: Simplify right side
    6,791.09x = 28,936,036.29
  5. Step 5: Solve for x
    x = 28,936,036.29/6,791.09
  6. Step 6: Final answer
    x = 4,260.89

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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.