Home / 7,349.11-10,141.77-3,991.93

Finding the Fourth Proportional to 7,349.11, 10,141.77 and 3,991.93

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Solution

The fourth proportional to 7,349.11, 10,141.77 and 3,991.93 is: 5,508.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,349.11 : 10,141.77 = 3,991.93 : x
  2. Step 2: Convert to fraction form
    7,349.11/10,141.77 = 3,991.93/x
  3. Step 3: Cross multiply
    7,349.11x = 10,141.77 × 3,991.93
  4. Step 4: Simplify right side
    7,349.11x = 40,485,235.92
  5. Step 5: Solve for x
    x = 40,485,235.92/7,349.11
  6. Step 6: Final answer
    x = 5,508.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.