Home / 6,881.31-10,324.85-3,419.55

Finding the Fourth Proportional to 6,881.31, 10,324.85 and 3,419.55

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Solution

The fourth proportional to 6,881.31, 10,324.85 and 3,419.55 is: 5,130.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,881.31 : 10,324.85 = 3,419.55 : x
  2. Step 2: Convert to fraction form
    6,881.31/10,324.85 = 3,419.55/x
  3. Step 3: Cross multiply
    6,881.31x = 10,324.85 × 3,419.55
  4. Step 4: Simplify right side
    6,881.31x = 35,306,323.72
  5. Step 5: Solve for x
    x = 35,306,323.72/6,881.31
  6. Step 6: Final answer
    x = 5,130.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.