Home / 7,450.91-11,176.33-1,904.24

Finding the Fourth Proportional to 7,450.91, 11,176.33 and 1,904.24

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Solution

The fourth proportional to 7,450.91, 11,176.33 and 1,904.24 is: 2,856.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,450.91 : 11,176.33 = 1,904.24 : x
  2. Step 2: Convert to fraction form
    7,450.91/11,176.33 = 1,904.24/x
  3. Step 3: Cross multiply
    7,450.91x = 11,176.33 × 1,904.24
  4. Step 4: Simplify right side
    7,450.91x = 21,282,414.64
  5. Step 5: Solve for x
    x = 21,282,414.64/7,450.91
  6. Step 6: Final answer
    x = 2,856.35

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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.