Home / 5,580.66-8,362.50-3,819.45

Finding the Fourth Proportional to 5,580.66, 8,362.50 and 3,819.45

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Solution

The fourth proportional to 5,580.66, 8,362.50 and 3,819.45 is: 5,723.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,580.66 : 8,362.50 = 3,819.45 : x
  2. Step 2: Convert to fraction form
    5,580.66/8,362.50 = 3,819.45/x
  3. Step 3: Cross multiply
    5,580.66x = 8,362.50 × 3,819.45
  4. Step 4: Simplify right side
    5,580.66x = 31,940,150.63
  5. Step 5: Solve for x
    x = 31,940,150.63/5,580.66
  6. Step 6: Final answer
    x = 5,723.36

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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.