Home / 6,608.13-9,119.21-3,813.63

Finding the Fourth Proportional to 6,608.13, 9,119.21 and 3,813.63

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Solution

The fourth proportional to 6,608.13, 9,119.21 and 3,813.63 is: 5,262.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,608.13 : 9,119.21 = 3,813.63 : x
  2. Step 2: Convert to fraction form
    6,608.13/9,119.21 = 3,813.63/x
  3. Step 3: Cross multiply
    6,608.13x = 9,119.21 × 3,813.63
  4. Step 4: Simplify right side
    6,608.13x = 34,777,292.83
  5. Step 5: Solve for x
    x = 34,777,292.83/6,608.13
  6. Step 6: Final answer
    x = 5,262.80

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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.