Home / 7,219.29-10,829.63-2,835.73

Finding the Fourth Proportional to 7,219.29, 10,829.63 and 2,835.73

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Solution

The fourth proportional to 7,219.29, 10,829.63 and 2,835.73 is: 4,253.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,219.29 : 10,829.63 = 2,835.73 : x
  2. Step 2: Convert to fraction form
    7,219.29/10,829.63 = 2,835.73/x
  3. Step 3: Cross multiply
    7,219.29x = 10,829.63 × 2,835.73
  4. Step 4: Simplify right side
    7,219.29x = 30,709,906.68
  5. Step 5: Solve for x
    x = 30,709,906.68/7,219.29
  6. Step 6: Final answer
    x = 4,253.87

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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.