Home / 6,610.06-9,121.31-3,776.87

Finding the Fourth Proportional to 6,610.06, 9,121.31 and 3,776.87

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Solution

The fourth proportional to 6,610.06, 9,121.31 and 3,776.87 is: 5,211.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,610.06 : 9,121.31 = 3,776.87 : x
  2. Step 2: Convert to fraction form
    6,610.06/9,121.31 = 3,776.87/x
  3. Step 3: Cross multiply
    6,610.06x = 9,121.31 × 3,776.87
  4. Step 4: Simplify right side
    6,610.06x = 34,450,020.18
  5. Step 5: Solve for x
    x = 34,450,020.18/6,610.06
  6. Step 6: Final answer
    x = 5,211.75

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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.