Home / 7,691.36-11,538.48-2,495.84

Finding the Fourth Proportional to 7,691.36, 11,538.48 and 2,495.84

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Solution

The fourth proportional to 7,691.36, 11,538.48 and 2,495.84 is: 3,744.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,691.36 : 11,538.48 = 2,495.84 : x
  2. Step 2: Convert to fraction form
    7,691.36/11,538.48 = 2,495.84/x
  3. Step 3: Cross multiply
    7,691.36x = 11,538.48 × 2,495.84
  4. Step 4: Simplify right side
    7,691.36x = 28,798,199.92
  5. Step 5: Solve for x
    x = 28,798,199.92/7,691.36
  6. Step 6: Final answer
    x = 3,744.23

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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.