Home / 8,519.04-11,757.42-6,419.52

Finding the Fourth Proportional to 8,519.04, 11,757.42 and 6,419.52

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Solution

The fourth proportional to 8,519.04, 11,757.42 and 6,419.52 is: 8,859.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,519.04 : 11,757.42 = 6,419.52 : x
  2. Step 2: Convert to fraction form
    8,519.04/11,757.42 = 6,419.52/x
  3. Step 3: Cross multiply
    8,519.04x = 11,757.42 × 6,419.52
  4. Step 4: Simplify right side
    8,519.04x = 75,476,992.84
  5. Step 5: Solve for x
    x = 75,476,992.84/8,519.04
  6. Step 6: Final answer
    x = 8,859.80

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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.