Home / 8,619.78-11,896.59-5,264.53

Finding the Fourth Proportional to 8,619.78, 11,896.59 and 5,264.53

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Solution

The fourth proportional to 8,619.78, 11,896.59 and 5,264.53 is: 7,265.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,619.78 : 11,896.59 = 5,264.53 : x
  2. Step 2: Convert to fraction form
    8,619.78/11,896.59 = 5,264.53/x
  3. Step 3: Cross multiply
    8,619.78x = 11,896.59 × 5,264.53
  4. Step 4: Simplify right side
    8,619.78x = 62,629,944.95
  5. Step 5: Solve for x
    x = 62,629,944.95/8,619.78
  6. Step 6: Final answer
    x = 7,265.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.