Home / 6,115.91-9,171.12-2,829.94

Finding the Fourth Proportional to 6,115.91, 9,171.12 and 2,829.94

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Solution

The fourth proportional to 6,115.91, 9,171.12 and 2,829.94 is: 4,243.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,115.91 : 9,171.12 = 2,829.94 : x
  2. Step 2: Convert to fraction form
    6,115.91/9,171.12 = 2,829.94/x
  3. Step 3: Cross multiply
    6,115.91x = 9,171.12 × 2,829.94
  4. Step 4: Simplify right side
    6,115.91x = 25,953,707.02
  5. Step 5: Solve for x
    x = 25,953,707.02/6,115.91
  6. Step 6: Final answer
    x = 4,243.64

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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.