Home / 8,921.83-13,382.75-3,724.06

Finding the Fourth Proportional to 8,921.83, 13,382.75 and 3,724.06

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Solution

The fourth proportional to 8,921.83, 13,382.75 and 3,724.06 is: 5,586.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,921.83 : 13,382.75 = 3,724.06 : x
  2. Step 2: Convert to fraction form
    8,921.83/13,382.75 = 3,724.06/x
  3. Step 3: Cross multiply
    8,921.83x = 13,382.75 × 3,724.06
  4. Step 4: Simplify right side
    8,921.83x = 49,838,163.97
  5. Step 5: Solve for x
    x = 49,838,163.97/8,921.83
  6. Step 6: Final answer
    x = 5,586.09

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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.