Home / 3,558.09-5,337.07-961.02

Finding the Fourth Proportional to 3,558.09, 5,337.07 and 961.02

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Solution

The fourth proportional to 3,558.09, 5,337.07 and 961.02 is: 1,441.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,558.09 : 5,337.07 = 961.02 : x
  2. Step 2: Convert to fraction form
    3,558.09/5,337.07 = 961.02/x
  3. Step 3: Cross multiply
    3,558.09x = 5,337.07 × 961.02
  4. Step 4: Simplify right side
    3,558.09x = 5,129,031.01
  5. Step 5: Solve for x
    x = 5,129,031.01/3,558.09
  6. Step 6: Final answer
    x = 1,441.51

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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.