Home / 7,451.18-11,176.76-1,904.53

Finding the Fourth Proportional to 7,451.18, 11,176.76 and 1,904.53

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Solution

The fourth proportional to 7,451.18, 11,176.76 and 1,904.53 is: 2,856.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,451.18 : 11,176.76 = 1,904.53 : x
  2. Step 2: Convert to fraction form
    7,451.18/11,176.76 = 1,904.53/x
  3. Step 3: Cross multiply
    7,451.18x = 11,176.76 × 1,904.53
  4. Step 4: Simplify right side
    7,451.18x = 21,286,474.72
  5. Step 5: Solve for x
    x = 21,286,474.72/7,451.18
  6. Step 6: Final answer
    x = 2,856.79

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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.