Home / 5,617.69-8,426.54-1,919.96

Finding the Fourth Proportional to 5,617.69, 8,426.54 and 1,919.96

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Solution

The fourth proportional to 5,617.69, 8,426.54 and 1,919.96 is: 2,879.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,617.69 : 8,426.54 = 1,919.96 : x
  2. Step 2: Convert to fraction form
    5,617.69/8,426.54 = 1,919.96/x
  3. Step 3: Cross multiply
    5,617.69x = 8,426.54 × 1,919.96
  4. Step 4: Simplify right side
    5,617.69x = 16,178,575.21
  5. Step 5: Solve for x
    x = 16,178,575.21/5,617.69
  6. Step 6: Final answer
    x = 2,879.93

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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.