Home / 6,601.27-9,902.36-1,921.29

Finding the Fourth Proportional to 6,601.27, 9,902.36 and 1,921.29

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Solution

The fourth proportional to 6,601.27, 9,902.36 and 1,921.29 is: 2,882.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,601.27 : 9,902.36 = 1,921.29 : x
  2. Step 2: Convert to fraction form
    6,601.27/9,902.36 = 1,921.29/x
  3. Step 3: Cross multiply
    6,601.27x = 9,902.36 × 1,921.29
  4. Step 4: Simplify right side
    6,601.27x = 19,025,305.24
  5. Step 5: Solve for x
    x = 19,025,305.24/6,601.27
  6. Step 6: Final answer
    x = 2,882.07

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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.