Home / 5,812.37-8,706.87-2,687.99

Finding the Fourth Proportional to 5,812.37, 8,706.87 and 2,687.99

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Solution

The fourth proportional to 5,812.37, 8,706.87 and 2,687.99 is: 4,026.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,812.37 : 8,706.87 = 2,687.99 : x
  2. Step 2: Convert to fraction form
    5,812.37/8,706.87 = 2,687.99/x
  3. Step 3: Cross multiply
    5,812.37x = 8,706.87 × 2,687.99
  4. Step 4: Simplify right side
    5,812.37x = 23,404,001.26
  5. Step 5: Solve for x
    x = 23,404,001.26/5,812.37
  6. Step 6: Final answer
    x = 4,026.59

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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.