Home / 7,673.13-11,509.66-2,408.55

Finding the Fourth Proportional to 7,673.13, 11,509.66 and 2,408.55

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Solution

The fourth proportional to 7,673.13, 11,509.66 and 2,408.55 is: 3,612.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,673.13 : 11,509.66 = 2,408.55 : x
  2. Step 2: Convert to fraction form
    7,673.13/11,509.66 = 2,408.55/x
  3. Step 3: Cross multiply
    7,673.13x = 11,509.66 × 2,408.55
  4. Step 4: Simplify right side
    7,673.13x = 27,721,591.59
  5. Step 5: Solve for x
    x = 27,721,591.59/7,673.13
  6. Step 6: Final answer
    x = 3,612.81

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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.