Home / 8,951.74-13,427.62-3,403.78

Finding the Fourth Proportional to 8,951.74, 13,427.62 and 3,403.78

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Solution

The fourth proportional to 8,951.74, 13,427.62 and 3,403.78 is: 5,105.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,951.74 : 13,427.62 = 3,403.78 : x
  2. Step 2: Convert to fraction form
    8,951.74/13,427.62 = 3,403.78/x
  3. Step 3: Cross multiply
    8,951.74x = 13,427.62 × 3,403.78
  4. Step 4: Simplify right side
    8,951.74x = 45,704,664.40
  5. Step 5: Solve for x
    x = 45,704,664.40/8,951.74
  6. Step 6: Final answer
    x = 5,105.67

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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.