Home / 5,622.78-7,759.89-3,264.87

Finding the Fourth Proportional to 5,622.78, 7,759.89 and 3,264.87

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Solution

The fourth proportional to 5,622.78, 7,759.89 and 3,264.87 is: 4,505.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,622.78 : 7,759.89 = 3,264.87 : x
  2. Step 2: Convert to fraction form
    5,622.78/7,759.89 = 3,264.87/x
  3. Step 3: Cross multiply
    5,622.78x = 7,759.89 × 3,264.87
  4. Step 4: Simplify right side
    5,622.78x = 25,335,032.06
  5. Step 5: Solve for x
    x = 25,335,032.06/5,622.78
  6. Step 6: Final answer
    x = 4,505.78

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1.5x scale

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.