Home / 8,108.75-11,190.19-4,964.93

Finding the Fourth Proportional to 8,108.75, 11,190.19 and 4,964.93

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Solution

The fourth proportional to 8,108.75, 11,190.19 and 4,964.93 is: 6,851.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,108.75 : 11,190.19 = 4,964.93 : x
  2. Step 2: Convert to fraction form
    8,108.75/11,190.19 = 4,964.93/x
  3. Step 3: Cross multiply
    8,108.75x = 11,190.19 × 4,964.93
  4. Step 4: Simplify right side
    8,108.75x = 55,558,525.60
  5. Step 5: Solve for x
    x = 55,558,525.60/8,108.75
  6. Step 6: Final answer
    x = 6,851.68

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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.