Home / 5,647.47-8,474.09-2,689.26

Finding the Fourth Proportional to 5,647.47, 8,474.09 and 2,689.26

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Solution

The fourth proportional to 5,647.47, 8,474.09 and 2,689.26 is: 4,035.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,647.47 : 8,474.09 = 2,689.26 : x
  2. Step 2: Convert to fraction form
    5,647.47/8,474.09 = 2,689.26/x
  3. Step 3: Cross multiply
    5,647.47x = 8,474.09 × 2,689.26
  4. Step 4: Simplify right side
    5,647.47x = 22,789,031.27
  5. Step 5: Solve for x
    x = 22,789,031.27/5,647.47
  6. Step 6: Final answer
    x = 4,035.26

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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.