Home / 5,817.53-8,726.31-2,119.76

Finding the Fourth Proportional to 5,817.53, 8,726.31 and 2,119.76

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Solution

The fourth proportional to 5,817.53, 8,726.31 and 2,119.76 is: 3,179.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,817.53 : 8,726.31 = 2,119.76 : x
  2. Step 2: Convert to fraction form
    5,817.53/8,726.31 = 2,119.76/x
  3. Step 3: Cross multiply
    5,817.53x = 8,726.31 × 2,119.76
  4. Step 4: Simplify right side
    5,817.53x = 18,497,639.25
  5. Step 5: Solve for x
    x = 18,497,639.25/5,817.53
  6. Step 6: Final answer
    x = 3,179.64

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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.