Home / 7,344.62-10,135.53-4,200.86

Finding the Fourth Proportional to 7,344.62, 10,135.53 and 4,200.86

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Solution

The fourth proportional to 7,344.62, 10,135.53 and 4,200.86 is: 5,797.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,344.62 : 10,135.53 = 4,200.86 : x
  2. Step 2: Convert to fraction form
    7,344.62/10,135.53 = 4,200.86/x
  3. Step 3: Cross multiply
    7,344.62x = 10,135.53 × 4,200.86
  4. Step 4: Simplify right side
    7,344.62x = 42,577,942.56
  5. Step 5: Solve for x
    x = 42,577,942.56/7,344.62
  6. Step 6: Final answer
    x = 5,797.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.