Home / 7,743.60-11,607.28-3,789.41

Finding the Fourth Proportional to 7,743.60, 11,607.28 and 3,789.41

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Solution

The fourth proportional to 7,743.60, 11,607.28 and 3,789.41 is: 5,680.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,743.60 : 11,607.28 = 3,789.41 : x
  2. Step 2: Convert to fraction form
    7,743.60/11,607.28 = 3,789.41/x
  3. Step 3: Cross multiply
    7,743.60x = 11,607.28 × 3,789.41
  4. Step 4: Simplify right side
    7,743.60x = 43,984,675.39
  5. Step 5: Solve for x
    x = 43,984,675.39/7,743.60
  6. Step 6: Final answer
    x = 5,680.13

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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.