Home / 6,213.81-9,319.35-3,575.75

Finding the Fourth Proportional to 6,213.81, 9,319.35 and 3,575.75

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Solution

The fourth proportional to 6,213.81, 9,319.35 and 3,575.75 is: 5,362.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,213.81 : 9,319.35 = 3,575.75 : x
  2. Step 2: Convert to fraction form
    6,213.81/9,319.35 = 3,575.75/x
  3. Step 3: Cross multiply
    6,213.81x = 9,319.35 × 3,575.75
  4. Step 4: Simplify right side
    6,213.81x = 33,323,632.57
  5. Step 5: Solve for x
    x = 33,323,632.57/6,213.81
  6. Step 6: Final answer
    x = 5,362.83

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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.