Home / 8,371.70-12,557.20-3,441.21

Finding the Fourth Proportional to 8,371.70, 12,557.20 and 3,441.21

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Solution

The fourth proportional to 8,371.70, 12,557.20 and 3,441.21 is: 5,161.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,371.70 : 12,557.20 = 3,441.21 : x
  2. Step 2: Convert to fraction form
    8,371.70/12,557.20 = 3,441.21/x
  3. Step 3: Cross multiply
    8,371.70x = 12,557.20 × 3,441.21
  4. Step 4: Simplify right side
    8,371.70x = 43,211,962.21
  5. Step 5: Solve for x
    x = 43,211,962.21/8,371.70
  6. Step 6: Final answer
    x = 5,161.67

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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.