Home / 5,628.22-7,765.32-3,639.94

Finding the Fourth Proportional to 5,628.22, 7,765.32 and 3,639.94

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Solution

The fourth proportional to 5,628.22, 7,765.32 and 3,639.94 is: 5,022.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,628.22 : 7,765.32 = 3,639.94 : x
  2. Step 2: Convert to fraction form
    5,628.22/7,765.32 = 3,639.94/x
  3. Step 3: Cross multiply
    5,628.22x = 7,765.32 × 3,639.94
  4. Step 4: Simplify right side
    5,628.22x = 28,265,298.88
  5. Step 5: Solve for x
    x = 28,265,298.88/5,628.22
  6. Step 6: Final answer
    x = 5,022.07

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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.