Home / 6,849.19-9,451.87-3,705.38

Finding the Fourth Proportional to 6,849.19, 9,451.87 and 3,705.38

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Solution

The fourth proportional to 6,849.19, 9,451.87 and 3,705.38 is: 5,113.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,849.19 : 9,451.87 = 3,705.38 : x
  2. Step 2: Convert to fraction form
    6,849.19/9,451.87 = 3,705.38/x
  3. Step 3: Cross multiply
    6,849.19x = 9,451.87 × 3,705.38
  4. Step 4: Simplify right side
    6,849.19x = 35,022,722.80
  5. Step 5: Solve for x
    x = 35,022,722.80/6,849.19
  6. Step 6: Final answer
    x = 5,113.41

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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.