Home / 8,519.40-11,757.51-4,743.90

Finding the Fourth Proportional to 8,519.40, 11,757.51 and 4,743.90

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Solution

The fourth proportional to 8,519.40, 11,757.51 and 4,743.90 is: 6,546.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,519.40 : 11,757.51 = 4,743.90 : x
  2. Step 2: Convert to fraction form
    8,519.40/11,757.51 = 4,743.90/x
  3. Step 3: Cross multiply
    8,519.40x = 11,757.51 × 4,743.90
  4. Step 4: Simplify right side
    8,519.40x = 55,776,451.69
  5. Step 5: Solve for x
    x = 55,776,451.69/8,519.40
  6. Step 6: Final answer
    x = 6,546.99

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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.