Home / 7,768.77-11,650.58-3,089.94

Finding the Fourth Proportional to 7,768.77, 11,650.58 and 3,089.94

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Solution

The fourth proportional to 7,768.77, 11,650.58 and 3,089.94 is: 4,633.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,768.77 : 11,650.58 = 3,089.94 : x
  2. Step 2: Convert to fraction form
    7,768.77/11,650.58 = 3,089.94/x
  3. Step 3: Cross multiply
    7,768.77x = 11,650.58 × 3,089.94
  4. Step 4: Simplify right side
    7,768.77x = 35,999,593.17
  5. Step 5: Solve for x
    x = 35,999,593.17/7,768.77
  6. Step 6: Final answer
    x = 4,633.89

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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.