Home / 5,877.24-8,112.87-3,781.50

Finding the Fourth Proportional to 5,877.24, 8,112.87 and 3,781.50

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Solution

The fourth proportional to 5,877.24, 8,112.87 and 3,781.50 is: 5,219.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,877.24 : 8,112.87 = 3,781.50 : x
  2. Step 2: Convert to fraction form
    5,877.24/8,112.87 = 3,781.50/x
  3. Step 3: Cross multiply
    5,877.24x = 8,112.87 × 3,781.50
  4. Step 4: Simplify right side
    5,877.24x = 30,678,817.91
  5. Step 5: Solve for x
    x = 30,678,817.91/5,877.24
  6. Step 6: Final answer
    x = 5,219.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.