Home / 7,119.43-10,680.05-2,736.32

Finding the Fourth Proportional to 7,119.43, 10,680.05 and 2,736.32

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Solution

The fourth proportional to 7,119.43, 10,680.05 and 2,736.32 is: 4,104.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,119.43 : 10,680.05 = 2,736.32 : x
  2. Step 2: Convert to fraction form
    7,119.43/10,680.05 = 2,736.32/x
  3. Step 3: Cross multiply
    7,119.43x = 10,680.05 × 2,736.32
  4. Step 4: Simplify right side
    7,119.43x = 29,223,987.86
  5. Step 5: Solve for x
    x = 29,223,987.86/7,119.43
  6. Step 6: Final answer
    x = 4,104.82

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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.