Home / 7,858.25-11,794.77-2,865.45

Finding the Fourth Proportional to 7,858.25, 11,794.77 and 2,865.45

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Solution

The fourth proportional to 7,858.25, 11,794.77 and 2,865.45 is: 4,300.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,858.25 : 11,794.77 = 2,865.45 : x
  2. Step 2: Convert to fraction form
    7,858.25/11,794.77 = 2,865.45/x
  3. Step 3: Cross multiply
    7,858.25x = 11,794.77 × 2,865.45
  4. Step 4: Simplify right side
    7,858.25x = 33,797,264.72
  5. Step 5: Solve for x
    x = 33,797,264.72/7,858.25
  6. Step 6: Final answer
    x = 4,300.87

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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.