Home / 4,286.64-6,435.90-2,835.12

Finding the Fourth Proportional to 4,286.64, 6,435.90 and 2,835.12

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Solution

The fourth proportional to 4,286.64, 6,435.90 and 2,835.12 is: 4,256.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,286.64 : 6,435.90 = 2,835.12 : x
  2. Step 2: Convert to fraction form
    4,286.64/6,435.90 = 2,835.12/x
  3. Step 3: Cross multiply
    4,286.64x = 6,435.90 × 2,835.12
  4. Step 4: Simplify right side
    4,286.64x = 18,246,548.81
  5. Step 5: Solve for x
    x = 18,246,548.81/4,286.64
  6. Step 6: Final answer
    x = 4,256.61

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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.