Home / 4,387.26-6,579.54-1,789.86

Finding the Fourth Proportional to 4,387.26, 6,579.54 and 1,789.86

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Solution

The fourth proportional to 4,387.26, 6,579.54 and 1,789.86 is: 2,684.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,387.26 : 6,579.54 = 1,789.86 : x
  2. Step 2: Convert to fraction form
    4,387.26/6,579.54 = 1,789.86/x
  3. Step 3: Cross multiply
    4,387.26x = 6,579.54 × 1,789.86
  4. Step 4: Simplify right side
    4,387.26x = 11,776,455.46
  5. Step 5: Solve for x
    x = 11,776,455.46/4,387.26
  6. Step 6: Final answer
    x = 2,684.24

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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.