Home / 7,451.17-11,176.73-1,904.51

Finding the Fourth Proportional to 7,451.17, 11,176.73 and 1,904.51

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Solution

The fourth proportional to 7,451.17, 11,176.73 and 1,904.51 is: 2,856.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,451.17 : 11,176.73 = 1,904.51 : x
  2. Step 2: Convert to fraction form
    7,451.17/11,176.73 = 1,904.51/x
  3. Step 3: Cross multiply
    7,451.17x = 11,176.73 × 1,904.51
  4. Step 4: Simplify right side
    7,451.17x = 21,286,194.05
  5. Step 5: Solve for x
    x = 21,286,194.05/7,451.17
  6. Step 6: Final answer
    x = 2,856.76

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Similar ratio
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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.