Home / 7,451.19-11,173.28-2,519.51

Finding the Fourth Proportional to 7,451.19, 11,173.28 and 2,519.51

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Solution

The fourth proportional to 7,451.19, 11,173.28 and 2,519.51 is: 3,778.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,451.19 : 11,173.28 = 2,519.51 : x
  2. Step 2: Convert to fraction form
    7,451.19/11,173.28 = 2,519.51/x
  3. Step 3: Cross multiply
    7,451.19x = 11,173.28 × 2,519.51
  4. Step 4: Simplify right side
    7,451.19x = 28,151,122.23
  5. Step 5: Solve for x
    x = 28,151,122.23/7,451.19
  6. Step 6: Final answer
    x = 3,778.07

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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.