Home / 7,784.83-11,651.95-4,265.97

Finding the Fourth Proportional to 7,784.83, 11,651.95 and 4,265.97

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Solution

The fourth proportional to 7,784.83, 11,651.95 and 4,265.97 is: 6,385.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,784.83 : 11,651.95 = 4,265.97 : x
  2. Step 2: Convert to fraction form
    7,784.83/11,651.95 = 4,265.97/x
  3. Step 3: Cross multiply
    7,784.83x = 11,651.95 × 4,265.97
  4. Step 4: Simplify right side
    7,784.83x = 49,706,869.14
  5. Step 5: Solve for x
    x = 49,706,869.14/7,784.83
  6. Step 6: Final answer
    x = 6,385.09

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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.