Home / 7,450.94-11,176.38-1,904.28

Finding the Fourth Proportional to 7,450.94, 11,176.38 and 1,904.28

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Solution

The fourth proportional to 7,450.94, 11,176.38 and 1,904.28 is: 2,856.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,450.94 : 11,176.38 = 1,904.28 : x
  2. Step 2: Convert to fraction form
    7,450.94/11,176.38 = 1,904.28/x
  3. Step 3: Cross multiply
    7,450.94x = 11,176.38 × 1,904.28
  4. Step 4: Simplify right side
    7,450.94x = 21,282,956.91
  5. Step 5: Solve for x
    x = 21,282,956.91/7,450.94
  6. Step 6: Final answer
    x = 2,856.41

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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.