Home / 8,637-11,919.24-5,103.96

Finding the Fourth Proportional to 8,637, 11,919.24 and 5,103.96

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Solution

The fourth proportional to 8,637, 11,919.24 and 5,103.96 is: 7,043.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,637 : 11,919.24 = 5,103.96 : x
  2. Step 2: Convert to fraction form
    8,637/11,919.24 = 5,103.96/x
  3. Step 3: Cross multiply
    8,637x = 11,919.24 × 5,103.96
  4. Step 4: Simplify right side
    8,637x = 60,835,324.19
  5. Step 5: Solve for x
    x = 60,835,324.19/8,637
  6. Step 6: Final answer
    x = 7,043.57

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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.