Home / 8,146.72-11,240.52-4,789.36

Finding the Fourth Proportional to 8,146.72, 11,240.52 and 4,789.36

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Solution

The fourth proportional to 8,146.72, 11,240.52 and 4,789.36 is: 6,608.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,146.72 : 11,240.52 = 4,789.36 : x
  2. Step 2: Convert to fraction form
    8,146.72/11,240.52 = 4,789.36/x
  3. Step 3: Cross multiply
    8,146.72x = 11,240.52 × 4,789.36
  4. Step 4: Simplify right side
    8,146.72x = 53,834,896.87
  5. Step 5: Solve for x
    x = 53,834,896.87/8,146.72
  6. Step 6: Final answer
    x = 6,608.17

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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.