Home / 6,661.14-9,186.31-4,142.44

Finding the Fourth Proportional to 6,661.14, 9,186.31 and 4,142.44

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Solution

The fourth proportional to 6,661.14, 9,186.31 and 4,142.44 is: 5,712.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,661.14 : 9,186.31 = 4,142.44 : x
  2. Step 2: Convert to fraction form
    6,661.14/9,186.31 = 4,142.44/x
  3. Step 3: Cross multiply
    6,661.14x = 9,186.31 × 4,142.44
  4. Step 4: Simplify right side
    6,661.14x = 38,053,754.66
  5. Step 5: Solve for x
    x = 38,053,754.66/6,661.14
  6. Step 6: Final answer
    x = 5,712.80

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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.