Home / 6,849.36-9,446.40-4,195.80

Finding the Fourth Proportional to 6,849.36, 9,446.40 and 4,195.80

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Solution

The fourth proportional to 6,849.36, 9,446.40 and 4,195.80 is: 5,786.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,849.36 : 9,446.40 = 4,195.80 : x
  2. Step 2: Convert to fraction form
    6,849.36/9,446.40 = 4,195.80/x
  3. Step 3: Cross multiply
    6,849.36x = 9,446.40 × 4,195.80
  4. Step 4: Simplify right side
    6,849.36x = 39,635,205.12
  5. Step 5: Solve for x
    x = 39,635,205.12/6,849.36
  6. Step 6: Final answer
    x = 5,786.70

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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.