Home / 8,821.53-13,232.67-3,890.04

Finding the Fourth Proportional to 8,821.53, 13,232.67 and 3,890.04

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Solution

The fourth proportional to 8,821.53, 13,232.67 and 3,890.04 is: 5,835.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,821.53 : 13,232.67 = 3,890.04 : x
  2. Step 2: Convert to fraction form
    8,821.53/13,232.67 = 3,890.04/x
  3. Step 3: Cross multiply
    8,821.53x = 13,232.67 × 3,890.04
  4. Step 4: Simplify right side
    8,821.53x = 51,475,615.61
  5. Step 5: Solve for x
    x = 51,475,615.61/8,821.53
  6. Step 6: Final answer
    x = 5,835.23

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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.