Home / 6,661.19-9,189.56-3,827.91

Finding the Fourth Proportional to 6,661.19, 9,189.56 and 3,827.91

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Solution

The fourth proportional to 6,661.19, 9,189.56 and 3,827.91 is: 5,280.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,661.19 : 9,189.56 = 3,827.91 : x
  2. Step 2: Convert to fraction form
    6,661.19/9,189.56 = 3,827.91/x
  3. Step 3: Cross multiply
    6,661.19x = 9,189.56 × 3,827.91
  4. Step 4: Simplify right side
    6,661.19x = 35,176,789.48
  5. Step 5: Solve for x
    x = 35,176,789.48/6,661.19
  6. Step 6: Final answer
    x = 5,280.86

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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.