Home / 7,068.43-10,604.32-2,138.11

Finding the Fourth Proportional to 7,068.43, 10,604.32 and 2,138.11

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Solution

The fourth proportional to 7,068.43, 10,604.32 and 2,138.11 is: 3,207.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,068.43 : 10,604.32 = 2,138.11 : x
  2. Step 2: Convert to fraction form
    7,068.43/10,604.32 = 2,138.11/x
  3. Step 3: Cross multiply
    7,068.43x = 10,604.32 × 2,138.11
  4. Step 4: Simplify right side
    7,068.43x = 22,673,230.43
  5. Step 5: Solve for x
    x = 22,673,230.43/7,068.43
  6. Step 6: Final answer
    x = 3,207.68

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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.