Home / 7,334.43-10,121.64-4,190.64

Finding the Fourth Proportional to 7,334.43, 10,121.64 and 4,190.64

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Solution

The fourth proportional to 7,334.43, 10,121.64 and 4,190.64 is: 5,783.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,334.43 : 10,121.64 = 4,190.64 : x
  2. Step 2: Convert to fraction form
    7,334.43/10,121.64 = 4,190.64/x
  3. Step 3: Cross multiply
    7,334.43x = 10,121.64 × 4,190.64
  4. Step 4: Simplify right side
    7,334.43x = 42,416,149.45
  5. Step 5: Solve for x
    x = 42,416,149.45/7,334.43
  6. Step 6: Final answer
    x = 5,783.16

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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.