Home / 7,890.62-11,824.66-5,794.18

Finding the Fourth Proportional to 7,890.62, 11,824.66 and 5,794.18

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Solution

The fourth proportional to 7,890.62, 11,824.66 and 5,794.18 is: 8,682.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,890.62 : 11,824.66 = 5,794.18 : x
  2. Step 2: Convert to fraction form
    7,890.62/11,824.66 = 5,794.18/x
  3. Step 3: Cross multiply
    7,890.62x = 11,824.66 × 5,794.18
  4. Step 4: Simplify right side
    7,890.62x = 68,514,164.43
  5. Step 5: Solve for x
    x = 68,514,164.43/7,890.62
  6. Step 6: Final answer
    x = 8,682.99

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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.