Home / 7,579.71-11,362.28-3,883.68

Finding the Fourth Proportional to 7,579.71, 11,362.28 and 3,883.68

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Solution

The fourth proportional to 7,579.71, 11,362.28 and 3,883.68 is: 5,821.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,579.71 : 11,362.28 = 3,883.68 : x
  2. Step 2: Convert to fraction form
    7,579.71/11,362.28 = 3,883.68/x
  3. Step 3: Cross multiply
    7,579.71x = 11,362.28 × 3,883.68
  4. Step 4: Simplify right side
    7,579.71x = 44,127,440.17
  5. Step 5: Solve for x
    x = 44,127,440.17/7,579.71
  6. Step 6: Final answer
    x = 5,821.78

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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.