Home / 8,989.25-13,485.49-4,061.21

Finding the Fourth Proportional to 8,989.25, 13,485.49 and 4,061.21

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Solution

The fourth proportional to 8,989.25, 13,485.49 and 4,061.21 is: 6,092.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,989.25 : 13,485.49 = 4,061.21 : x
  2. Step 2: Convert to fraction form
    8,989.25/13,485.49 = 4,061.21/x
  3. Step 3: Cross multiply
    8,989.25x = 13,485.49 × 4,061.21
  4. Step 4: Simplify right side
    8,989.25x = 54,767,329.26
  5. Step 5: Solve for x
    x = 54,767,329.26/8,989.25
  6. Step 6: Final answer
    x = 6,092.54

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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.