Home / 5,582.46-8,372.78-1,632.78

Finding the Fourth Proportional to 5,582.46, 8,372.78 and 1,632.78

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Solution

The fourth proportional to 5,582.46, 8,372.78 and 1,632.78 is: 2,448.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,582.46 : 8,372.78 = 1,632.78 : x
  2. Step 2: Convert to fraction form
    5,582.46/8,372.78 = 1,632.78/x
  3. Step 3: Cross multiply
    5,582.46x = 8,372.78 × 1,632.78
  4. Step 4: Simplify right side
    5,582.46x = 13,670,907.73
  5. Step 5: Solve for x
    x = 13,670,907.73/5,582.46
  6. Step 6: Final answer
    x = 2,448.90

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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.