Home / 8,615.24-12,914.65-2,767.74

Finding the Fourth Proportional to 8,615.24, 12,914.65 and 2,767.74

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Solution

The fourth proportional to 8,615.24, 12,914.65 and 2,767.74 is: 4,148.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,615.24 : 12,914.65 = 2,767.74 : x
  2. Step 2: Convert to fraction form
    8,615.24/12,914.65 = 2,767.74/x
  3. Step 3: Cross multiply
    8,615.24x = 12,914.65 × 2,767.74
  4. Step 4: Simplify right side
    8,615.24x = 35,744,379.55
  5. Step 5: Solve for x
    x = 35,744,379.55/8,615.24
  6. Step 6: Final answer
    x = 4,148.97

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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.