Home / 8,635.06-11,921.34-5,806.54

Finding the Fourth Proportional to 8,635.06, 11,921.34 and 5,806.54

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Solution

The fourth proportional to 8,635.06, 11,921.34 and 5,806.54 is: 8,016.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,635.06 : 11,921.34 = 5,806.54 : x
  2. Step 2: Convert to fraction form
    8,635.06/11,921.34 = 5,806.54/x
  3. Step 3: Cross multiply
    8,635.06x = 11,921.34 × 5,806.54
  4. Step 4: Simplify right side
    8,635.06x = 69,221,737.56
  5. Step 5: Solve for x
    x = 69,221,737.56/8,635.06
  6. Step 6: Final answer
    x = 8,016.36

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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.