Home / 5,814.26-8,721.28-1,918.56

Finding the Fourth Proportional to 5,814.26, 8,721.28 and 1,918.56

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Solution

The fourth proportional to 5,814.26, 8,721.28 and 1,918.56 is: 2,877.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,814.26 : 8,721.28 = 1,918.56 : x
  2. Step 2: Convert to fraction form
    5,814.26/8,721.28 = 1,918.56/x
  3. Step 3: Cross multiply
    5,814.26x = 8,721.28 × 1,918.56
  4. Step 4: Simplify right side
    5,814.26x = 16,732,298.96
  5. Step 5: Solve for x
    x = 16,732,298.96/5,814.26
  6. Step 6: Final answer
    x = 2,877.80

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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.