Home / 6,789.61-10,188.87-4,675.78

Finding the Fourth Proportional to 6,789.61, 10,188.87 and 4,675.78

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Solution

The fourth proportional to 6,789.61, 10,188.87 and 4,675.78 is: 7,016.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,789.61 : 10,188.87 = 4,675.78 : x
  2. Step 2: Convert to fraction form
    6,789.61/10,188.87 = 4,675.78/x
  3. Step 3: Cross multiply
    6,789.61x = 10,188.87 × 4,675.78
  4. Step 4: Simplify right side
    6,789.61x = 47,640,914.57
  5. Step 5: Solve for x
    x = 47,640,914.57/6,789.61
  6. Step 6: Final answer
    x = 7,016.74

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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.