Home / 5,814.30-8,721.15-3,411.36

Finding the Fourth Proportional to 5,814.30, 8,721.15 and 3,411.36

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Solution

The fourth proportional to 5,814.30, 8,721.15 and 3,411.36 is: 5,116.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,814.30 : 8,721.15 = 3,411.36 : x
  2. Step 2: Convert to fraction form
    5,814.30/8,721.15 = 3,411.36/x
  3. Step 3: Cross multiply
    5,814.30x = 8,721.15 × 3,411.36
  4. Step 4: Simplify right side
    5,814.30x = 29,750,982.26
  5. Step 5: Solve for x
    x = 29,750,982.26/5,814.30
  6. Step 6: Final answer
    x = 5,116.86

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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.