Home / 6,849.70-9,452.84-3,865.66

Finding the Fourth Proportional to 6,849.70, 9,452.84 and 3,865.66

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Solution

The fourth proportional to 6,849.70, 9,452.84 and 3,865.66 is: 5,334.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,849.70 : 9,452.84 = 3,865.66 : x
  2. Step 2: Convert to fraction form
    6,849.70/9,452.84 = 3,865.66/x
  3. Step 3: Cross multiply
    6,849.70x = 9,452.84 × 3,865.66
  4. Step 4: Simplify right side
    6,849.70x = 36,541,422.51
  5. Step 5: Solve for x
    x = 36,541,422.51/6,849.70
  6. Step 6: Final answer
    x = 5,334.75

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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.