Home / 7,776.28-11,658.36-2,845.42

Finding the Fourth Proportional to 7,776.28, 11,658.36 and 2,845.42

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Solution

The fourth proportional to 7,776.28, 11,658.36 and 2,845.42 is: 4,265.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,776.28 : 11,658.36 = 2,845.42 : x
  2. Step 2: Convert to fraction form
    7,776.28/11,658.36 = 2,845.42/x
  3. Step 3: Cross multiply
    7,776.28x = 11,658.36 × 2,845.42
  4. Step 4: Simplify right side
    7,776.28x = 33,172,930.71
  5. Step 5: Solve for x
    x = 33,172,930.71/7,776.28
  6. Step 6: Final answer
    x = 4,265.91

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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.