Home / 8,689.14-13,024.26-4,237.38

Finding the Fourth Proportional to 8,689.14, 13,024.26 and 4,237.38

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Solution

The fourth proportional to 8,689.14, 13,024.26 and 4,237.38 is: 6,351.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,689.14 : 13,024.26 = 4,237.38 : x
  2. Step 2: Convert to fraction form
    8,689.14/13,024.26 = 4,237.38/x
  3. Step 3: Cross multiply
    8,689.14x = 13,024.26 × 4,237.38
  4. Step 4: Simplify right side
    8,689.14x = 55,188,738.84
  5. Step 5: Solve for x
    x = 55,188,738.84/8,689.14
  6. Step 6: Final answer
    x = 6,351.46

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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.