Home / 4,286.58-6,433.49-1,691.34

Finding the Fourth Proportional to 4,286.58, 6,433.49 and 1,691.34

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Solution

The fourth proportional to 4,286.58, 6,433.49 and 1,691.34 is: 2,538.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,286.58 : 6,433.49 = 1,691.34 : x
  2. Step 2: Convert to fraction form
    4,286.58/6,433.49 = 1,691.34/x
  3. Step 3: Cross multiply
    4,286.58x = 6,433.49 × 1,691.34
  4. Step 4: Simplify right side
    4,286.58x = 10,881,218.98
  5. Step 5: Solve for x
    x = 10,881,218.98/4,286.58
  6. Step 6: Final answer
    x = 2,538.44

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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.