Home / 8,317.09-12,472.19-3,383.38

Finding the Fourth Proportional to 8,317.09, 12,472.19 and 3,383.38

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Solution

The fourth proportional to 8,317.09, 12,472.19 and 3,383.38 is: 5,073.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,317.09 : 12,472.19 = 3,383.38 : x
  2. Step 2: Convert to fraction form
    8,317.09/12,472.19 = 3,383.38/x
  3. Step 3: Cross multiply
    8,317.09x = 12,472.19 × 3,383.38
  4. Step 4: Simplify right side
    8,317.09x = 42,198,158.20
  5. Step 5: Solve for x
    x = 42,198,158.20/8,317.09
  6. Step 6: Final answer
    x = 5,073.67

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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.