Home / 6,825.79-9,419.55-3,841.57

Finding the Fourth Proportional to 6,825.79, 9,419.55 and 3,841.57

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Solution

The fourth proportional to 6,825.79, 9,419.55 and 3,841.57 is: 5,301.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,825.79 : 9,419.55 = 3,841.57 : x
  2. Step 2: Convert to fraction form
    6,825.79/9,419.55 = 3,841.57/x
  3. Step 3: Cross multiply
    6,825.79x = 9,419.55 × 3,841.57
  4. Step 4: Simplify right side
    6,825.79x = 36,185,860.69
  5. Step 5: Solve for x
    x = 36,185,860.69/6,825.79
  6. Step 6: Final answer
    x = 5,301.34

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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.