Home / 6,660.56-9,192.49-3,866.06

Finding the Fourth Proportional to 6,660.56, 9,192.49 and 3,866.06

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Solution

The fourth proportional to 6,660.56, 9,192.49 and 3,866.06 is: 5,335.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,660.56 : 9,192.49 = 3,866.06 : x
  2. Step 2: Convert to fraction form
    6,660.56/9,192.49 = 3,866.06/x
  3. Step 3: Cross multiply
    6,660.56x = 9,192.49 × 3,866.06
  4. Step 4: Simplify right side
    6,660.56x = 35,538,731.21
  5. Step 5: Solve for x
    x = 35,538,731.21/6,660.56
  6. Step 6: Final answer
    x = 5,335.70

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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.