Home / 4,378.76-6,564.66-2,527.78

Finding the Fourth Proportional to 4,378.76, 6,564.66 and 2,527.78

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Solution

The fourth proportional to 4,378.76, 6,564.66 and 2,527.78 is: 3,789.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,378.76 : 6,564.66 = 2,527.78 : x
  2. Step 2: Convert to fraction form
    4,378.76/6,564.66 = 2,527.78/x
  3. Step 3: Cross multiply
    4,378.76x = 6,564.66 × 2,527.78
  4. Step 4: Simplify right side
    4,378.76x = 16,594,016.25
  5. Step 5: Solve for x
    x = 16,594,016.25/4,378.76
  6. Step 6: Final answer
    x = 3,789.66

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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.