Home / 7,819.26-10,790.44-4,282.39

Finding the Fourth Proportional to 7,819.26, 10,790.44 and 4,282.39

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Solution

The fourth proportional to 7,819.26, 10,790.44 and 4,282.39 is: 5,909.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,819.26 : 10,790.44 = 4,282.39 : x
  2. Step 2: Convert to fraction form
    7,819.26/10,790.44 = 4,282.39/x
  3. Step 3: Cross multiply
    7,819.26x = 10,790.44 × 4,282.39
  4. Step 4: Simplify right side
    7,819.26x = 46,208,872.35
  5. Step 5: Solve for x
    x = 46,208,872.35/7,819.26
  6. Step 6: Final answer
    x = 5,909.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.