Home / 8,144.20-11,223.93-6,151.60

Finding the Fourth Proportional to 8,144.20, 11,223.93 and 6,151.60

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Solution

The fourth proportional to 8,144.20, 11,223.93 and 6,151.60 is: 8,477.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,144.20 : 11,223.93 = 6,151.60 : x
  2. Step 2: Convert to fraction form
    8,144.20/11,223.93 = 6,151.60/x
  3. Step 3: Cross multiply
    8,144.20x = 11,223.93 × 6,151.60
  4. Step 4: Simplify right side
    8,144.20x = 69,045,127.79
  5. Step 5: Solve for x
    x = 69,045,127.79/8,144.20
  6. Step 6: Final answer
    x = 8,477.83

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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.