Home / 7,135.20-10,697.49-3,433.95

Finding the Fourth Proportional to 7,135.20, 10,697.49 and 3,433.95

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Solution

The fourth proportional to 7,135.20, 10,697.49 and 3,433.95 is: 5,148.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,135.20 : 10,697.49 = 3,433.95 : x
  2. Step 2: Convert to fraction form
    7,135.20/10,697.49 = 3,433.95/x
  3. Step 3: Cross multiply
    7,135.20x = 10,697.49 × 3,433.95
  4. Step 4: Simplify right side
    7,135.20x = 36,734,645.79
  5. Step 5: Solve for x
    x = 36,734,645.79/7,135.20
  6. Step 6: Final answer
    x = 5,148.37

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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.