Home / 3,558.06-5,337.09-961.07

Finding the Fourth Proportional to 3,558.06, 5,337.09 and 961.07

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Solution

The fourth proportional to 3,558.06, 5,337.09 and 961.07 is: 1,441.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,558.06 : 5,337.09 = 961.07 : x
  2. Step 2: Convert to fraction form
    3,558.06/5,337.09 = 961.07/x
  3. Step 3: Cross multiply
    3,558.06x = 5,337.09 × 961.07
  4. Step 4: Simplify right side
    3,558.06x = 5,129,290.40
  5. Step 5: Solve for x
    x = 5,129,290.40/3,558.06
  6. Step 6: Final answer
    x = 1,441.60

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1.5x scale

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.