Home / 5,529-7,628.86-3,513.01

Finding the Fourth Proportional to 5,529, 7,628.86 and 3,513.01

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Solution

The fourth proportional to 5,529, 7,628.86 and 3,513.01 is: 4,847.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,529 : 7,628.86 = 3,513.01 : x
  2. Step 2: Convert to fraction form
    5,529/7,628.86 = 3,513.01/x
  3. Step 3: Cross multiply
    5,529x = 7,628.86 × 3,513.01
  4. Step 4: Simplify right side
    5,529x = 26,800,261.47
  5. Step 5: Solve for x
    x = 26,800,261.47/5,529
  6. Step 6: Final answer
    x = 4,847.22

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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.