Home / 4,261.11-6,391.92-1,339.53

Finding the Fourth Proportional to 4,261.11, 6,391.92 and 1,339.53

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Solution

The fourth proportional to 4,261.11, 6,391.92 and 1,339.53 is: 2,009.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,261.11 : 6,391.92 = 1,339.53 : x
  2. Step 2: Convert to fraction form
    4,261.11/6,391.92 = 1,339.53/x
  3. Step 3: Cross multiply
    4,261.11x = 6,391.92 × 1,339.53
  4. Step 4: Simplify right side
    4,261.11x = 8,562,168.60
  5. Step 5: Solve for x
    x = 8,562,168.60/4,261.11
  6. Step 6: Final answer
    x = 2,009.38

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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.