Home / 6,610.11-9,121.31-3,957.46

Finding the Fourth Proportional to 6,610.11, 9,121.31 and 3,957.46

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Solution

The fourth proportional to 6,610.11, 9,121.31 and 3,957.46 is: 5,460.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,610.11 : 9,121.31 = 3,957.46 : x
  2. Step 2: Convert to fraction form
    6,610.11/9,121.31 = 3,957.46/x
  3. Step 3: Cross multiply
    6,610.11x = 9,121.31 × 3,957.46
  4. Step 4: Simplify right side
    6,610.11x = 36,097,191.72
  5. Step 5: Solve for x
    x = 36,097,191.72/6,610.11
  6. Step 6: Final answer
    x = 5,460.91

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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.