Home / 7,919.62-11,883.56-5,746.29

Finding the Fourth Proportional to 7,919.62, 11,883.56 and 5,746.29

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Solution

The fourth proportional to 7,919.62, 11,883.56 and 5,746.29 is: 8,622.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,919.62 : 11,883.56 = 5,746.29 : x
  2. Step 2: Convert to fraction form
    7,919.62/11,883.56 = 5,746.29/x
  3. Step 3: Cross multiply
    7,919.62x = 11,883.56 × 5,746.29
  4. Step 4: Simplify right side
    7,919.62x = 68,286,407.87
  5. Step 5: Solve for x
    x = 68,286,407.87/7,919.62
  6. Step 6: Final answer
    x = 8,622.43

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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.