Home / 8,743.14-13,114.71-3,811.76

Finding the Fourth Proportional to 8,743.14, 13,114.71 and 3,811.76

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Solution

The fourth proportional to 8,743.14, 13,114.71 and 3,811.76 is: 5,717.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,743.14 : 13,114.71 = 3,811.76 : x
  2. Step 2: Convert to fraction form
    8,743.14/13,114.71 = 3,811.76/x
  3. Step 3: Cross multiply
    8,743.14x = 13,114.71 × 3,811.76
  4. Step 4: Simplify right side
    8,743.14x = 49,990,110.60
  5. Step 5: Solve for x
    x = 49,990,110.60/8,743.14
  6. Step 6: Final answer
    x = 5,717.64

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1.5x scale

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.