Home / 5,529.11-7,627.75-3,638.26

Finding the Fourth Proportional to 5,529.11, 7,627.75 and 3,638.26

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Solution

The fourth proportional to 5,529.11, 7,627.75 and 3,638.26 is: 5,019.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,529.11 : 7,627.75 = 3,638.26 : x
  2. Step 2: Convert to fraction form
    5,529.11/7,627.75 = 3,638.26/x
  3. Step 3: Cross multiply
    5,529.11x = 7,627.75 × 3,638.26
  4. Step 4: Simplify right side
    5,529.11x = 27,751,737.72
  5. Step 5: Solve for x
    x = 27,751,737.72/5,529.11
  6. Step 6: Final answer
    x = 5,019.21

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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.