Home / 7,908.30-11,869.26-4,401.81

Finding the Fourth Proportional to 7,908.30, 11,869.26 and 4,401.81

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Solution

The fourth proportional to 7,908.30, 11,869.26 and 4,401.81 is: 6,606.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,908.30 : 11,869.26 = 4,401.81 : x
  2. Step 2: Convert to fraction form
    7,908.30/11,869.26 = 4,401.81/x
  3. Step 3: Cross multiply
    7,908.30x = 11,869.26 × 4,401.81
  4. Step 4: Simplify right side
    7,908.30x = 52,246,227.36
  5. Step 5: Solve for x
    x = 52,246,227.36/7,908.30
  6. Step 6: Final answer
    x = 6,606.51

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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.