Home / 7,819.27-10,790.64-4,462.22

Finding the Fourth Proportional to 7,819.27, 10,790.64 and 4,462.22

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Solution

The fourth proportional to 7,819.27, 10,790.64 and 4,462.22 is: 6,157.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,819.27 : 10,790.64 = 4,462.22 : x
  2. Step 2: Convert to fraction form
    7,819.27/10,790.64 = 4,462.22/x
  3. Step 3: Cross multiply
    7,819.27x = 10,790.64 × 4,462.22
  4. Step 4: Simplify right side
    7,819.27x = 48,150,236.60
  5. Step 5: Solve for x
    x = 48,150,236.60/7,819.27
  6. Step 6: Final answer
    x = 6,157.90

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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.