Home / 8,519.22-11,756.07-4,742.19

Finding the Fourth Proportional to 8,519.22, 11,756.07 and 4,742.19

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Solution

The fourth proportional to 8,519.22, 11,756.07 and 4,742.19 is: 6,543.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,519.22 : 11,756.07 = 4,742.19 : x
  2. Step 2: Convert to fraction form
    8,519.22/11,756.07 = 4,742.19/x
  3. Step 3: Cross multiply
    8,519.22x = 11,756.07 × 4,742.19
  4. Step 4: Simplify right side
    8,519.22x = 55,749,517.59
  5. Step 5: Solve for x
    x = 55,749,517.59/8,519.22
  6. Step 6: Final answer
    x = 6,543.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.