Home / 6,201.78-8,554.86-4,077.69

Finding the Fourth Proportional to 6,201.78, 8,554.86 and 4,077.69

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Solution

The fourth proportional to 6,201.78, 8,554.86 and 4,077.69 is: 5,624.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,201.78 : 8,554.86 = 4,077.69 : x
  2. Step 2: Convert to fraction form
    6,201.78/8,554.86 = 4,077.69/x
  3. Step 3: Cross multiply
    6,201.78x = 8,554.86 × 4,077.69
  4. Step 4: Simplify right side
    6,201.78x = 34,884,067.07
  5. Step 5: Solve for x
    x = 34,884,067.07/6,201.78
  6. Step 6: Final answer
    x = 5,624.85

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Half scale
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Double scale
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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.