Home / 8,223.85-11,348.90-4,447.01

Finding the Fourth Proportional to 8,223.85, 11,348.90 and 4,447.01

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Solution

The fourth proportional to 8,223.85, 11,348.90 and 4,447.01 is: 6,136.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,223.85 : 11,348.90 = 4,447.01 : x
  2. Step 2: Convert to fraction form
    8,223.85/11,348.90 = 4,447.01/x
  3. Step 3: Cross multiply
    8,223.85x = 11,348.90 × 4,447.01
  4. Step 4: Simplify right side
    8,223.85x = 50,468,626.16
  5. Step 5: Solve for x
    x = 50,468,626.16/8,223.85
  6. Step 6: Final answer
    x = 6,136.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.