Home / 7,819.83-10,791.49-4,282.81

Finding the Fourth Proportional to 7,819.83, 10,791.49 and 4,282.81

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Solution

The fourth proportional to 7,819.83, 10,791.49 and 4,282.81 is: 5,910.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,819.83 : 10,791.49 = 4,282.81 : x
  2. Step 2: Convert to fraction form
    7,819.83/10,791.49 = 4,282.81/x
  3. Step 3: Cross multiply
    7,819.83x = 10,791.49 × 4,282.81
  4. Step 4: Simplify right side
    7,819.83x = 46,217,901.29
  5. Step 5: Solve for x
    x = 46,217,901.29/7,819.83
  6. Step 6: Final answer
    x = 5,910.35

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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.