Home / 7,723.92-11,585.94-1,880.58

Finding the Fourth Proportional to 7,723.92, 11,585.94 and 1,880.58

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Solution

The fourth proportional to 7,723.92, 11,585.94 and 1,880.58 is: 2,820.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,723.92 : 11,585.94 = 1,880.58 : x
  2. Step 2: Convert to fraction form
    7,723.92/11,585.94 = 1,880.58/x
  3. Step 3: Cross multiply
    7,723.92x = 11,585.94 × 1,880.58
  4. Step 4: Simplify right side
    7,723.92x = 21,788,287.05
  5. Step 5: Solve for x
    x = 21,788,287.05/7,723.92
  6. Step 6: Final answer
    x = 2,820.88

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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.