Home / 7,141.08-9,854.79-3,997.29

Finding the Fourth Proportional to 7,141.08, 9,854.79 and 3,997.29

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Solution

The fourth proportional to 7,141.08, 9,854.79 and 3,997.29 is: 5,516.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,141.08 : 9,854.79 = 3,997.29 : x
  2. Step 2: Convert to fraction form
    7,141.08/9,854.79 = 3,997.29/x
  3. Step 3: Cross multiply
    7,141.08x = 9,854.79 × 3,997.29
  4. Step 4: Simplify right side
    7,141.08x = 39,392,453.52
  5. Step 5: Solve for x
    x = 39,392,453.52/7,141.08
  6. Step 6: Final answer
    x = 5,516.32

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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.