Home / 8,624.21-12,938.70-3,433.73

Finding the Fourth Proportional to 8,624.21, 12,938.70 and 3,433.73

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Solution

The fourth proportional to 8,624.21, 12,938.70 and 3,433.73 is: 5,151.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,624.21 : 12,938.70 = 3,433.73 : x
  2. Step 2: Convert to fraction form
    8,624.21/12,938.70 = 3,433.73/x
  3. Step 3: Cross multiply
    8,624.21x = 12,938.70 × 3,433.73
  4. Step 4: Simplify right side
    8,624.21x = 44,428,002.35
  5. Step 5: Solve for x
    x = 44,428,002.35/8,624.21
  6. Step 6: Final answer
    x = 5,151.54

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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.