Home / 7,160.38-10,741.92-2,480.20

Finding the Fourth Proportional to 7,160.38, 10,741.92 and 2,480.20

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Solution

The fourth proportional to 7,160.38, 10,741.92 and 2,480.20 is: 3,720.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,160.38 : 10,741.92 = 2,480.20 : x
  2. Step 2: Convert to fraction form
    7,160.38/10,741.92 = 2,480.20/x
  3. Step 3: Cross multiply
    7,160.38x = 10,741.92 × 2,480.20
  4. Step 4: Simplify right side
    7,160.38x = 26,642,109.98
  5. Step 5: Solve for x
    x = 26,642,109.98/7,160.38
  6. Step 6: Final answer
    x = 3,720.77

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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.