Home / 5,620.41-8,429.09-1,923.48

Finding the Fourth Proportional to 5,620.41, 8,429.09 and 1,923.48

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Solution

The fourth proportional to 5,620.41, 8,429.09 and 1,923.48 is: 2,884.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,620.41 : 8,429.09 = 1,923.48 : x
  2. Step 2: Convert to fraction form
    5,620.41/8,429.09 = 1,923.48/x
  3. Step 3: Cross multiply
    5,620.41x = 8,429.09 × 1,923.48
  4. Step 4: Simplify right side
    5,620.41x = 16,213,176.42
  5. Step 5: Solve for x
    x = 16,213,176.42/5,620.41
  6. Step 6: Final answer
    x = 2,884.70

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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.