Home / 4,191.09-6,286.64-1,269.24

Finding the Fourth Proportional to 4,191.09, 6,286.64 and 1,269.24

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Solution

The fourth proportional to 4,191.09, 6,286.64 and 1,269.24 is: 1,903.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,191.09 : 6,286.64 = 1,269.24 : x
  2. Step 2: Convert to fraction form
    4,191.09/6,286.64 = 1,269.24/x
  3. Step 3: Cross multiply
    4,191.09x = 6,286.64 × 1,269.24
  4. Step 4: Simplify right side
    4,191.09x = 7,979,254.95
  5. Step 5: Solve for x
    x = 7,979,254.95/4,191.09
  6. Step 6: Final answer
    x = 1,903.86

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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.