Home / 4,514.72-6,774.97-1,917.66

Finding the Fourth Proportional to 4,514.72, 6,774.97 and 1,917.66

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Solution

The fourth proportional to 4,514.72, 6,774.97 and 1,917.66 is: 2,877.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,514.72 : 6,774.97 = 1,917.66 : x
  2. Step 2: Convert to fraction form
    4,514.72/6,774.97 = 1,917.66/x
  3. Step 3: Cross multiply
    4,514.72x = 6,774.97 × 1,917.66
  4. Step 4: Simplify right side
    4,514.72x = 12,992,045.51
  5. Step 5: Solve for x
    x = 12,992,045.51/4,514.72
  6. Step 6: Final answer
    x = 2,877.71

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.