Home / 4,286.24-6,429.44-1,512.86

Finding the Fourth Proportional to 4,286.24, 6,429.44 and 1,512.86

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Solution

The fourth proportional to 4,286.24, 6,429.44 and 1,512.86 is: 2,269.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,286.24 : 6,429.44 = 1,512.86 : x
  2. Step 2: Convert to fraction form
    4,286.24/6,429.44 = 1,512.86/x
  3. Step 3: Cross multiply
    4,286.24x = 6,429.44 × 1,512.86
  4. Step 4: Simplify right side
    4,286.24x = 9,726,835.03
  5. Step 5: Solve for x
    x = 9,726,835.03/4,286.24
  6. Step 6: Final answer
    x = 2,269.32

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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.