Home / 8,143.38-12,212.60-3,463.34

Finding the Fourth Proportional to 8,143.38, 12,212.60 and 3,463.34

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Solution

The fourth proportional to 8,143.38, 12,212.60 and 3,463.34 is: 5,193.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,143.38 : 12,212.60 = 3,463.34 : x
  2. Step 2: Convert to fraction form
    8,143.38/12,212.60 = 3,463.34/x
  3. Step 3: Cross multiply
    8,143.38x = 12,212.60 × 3,463.34
  4. Step 4: Simplify right side
    8,143.38x = 42,296,386.08
  5. Step 5: Solve for x
    x = 42,296,386.08/8,143.38
  6. Step 6: Final answer
    x = 5,193.96

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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.