Home / 6,523.39-9,789.20-3,409.01

Finding the Fourth Proportional to 6,523.39, 9,789.20 and 3,409.01

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Solution

The fourth proportional to 6,523.39, 9,789.20 and 3,409.01 is: 5,115.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,523.39 : 9,789.20 = 3,409.01 : x
  2. Step 2: Convert to fraction form
    6,523.39/9,789.20 = 3,409.01/x
  3. Step 3: Cross multiply
    6,523.39x = 9,789.20 × 3,409.01
  4. Step 4: Simplify right side
    6,523.39x = 33,371,480.69
  5. Step 5: Solve for x
    x = 33,371,480.69/6,523.39
  6. Step 6: Final answer
    x = 5,115.67

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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.