Home / 5,918.96-8,879.40-1,814

Finding the Fourth Proportional to 5,918.96, 8,879.40 and 1,814

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Solution

The fourth proportional to 5,918.96, 8,879.40 and 1,814 is: 2,721.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,918.96 : 8,879.40 = 1,814 : x
  2. Step 2: Convert to fraction form
    5,918.96/8,879.40 = 1,814/x
  3. Step 3: Cross multiply
    5,918.96x = 8,879.40 × 1,814
  4. Step 4: Simplify right side
    5,918.96x = 16,107,231.60
  5. Step 5: Solve for x
    x = 16,107,231.60/5,918.96
  6. Step 6: Final answer
    x = 2,721.29

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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.