Home / 7,824.42-11,736.09-3,605.27

Finding the Fourth Proportional to 7,824.42, 11,736.09 and 3,605.27

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Solution

The fourth proportional to 7,824.42, 11,736.09 and 3,605.27 is: 5,407.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,824.42 : 11,736.09 = 3,605.27 : x
  2. Step 2: Convert to fraction form
    7,824.42/11,736.09 = 3,605.27/x
  3. Step 3: Cross multiply
    7,824.42x = 11,736.09 × 3,605.27
  4. Step 4: Simplify right side
    7,824.42x = 42,311,714.51
  5. Step 5: Solve for x
    x = 42,311,714.51/7,824.42
  6. Step 6: Final answer
    x = 5,407.65

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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.