Home / 6,286.32-9,427.50-2,125.89

Finding the Fourth Proportional to 6,286.32, 9,427.50 and 2,125.89

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Solution

The fourth proportional to 6,286.32, 9,427.50 and 2,125.89 is: 3,188.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,286.32 : 9,427.50 = 2,125.89 : x
  2. Step 2: Convert to fraction form
    6,286.32/9,427.50 = 2,125.89/x
  3. Step 3: Cross multiply
    6,286.32x = 9,427.50 × 2,125.89
  4. Step 4: Simplify right side
    6,286.32x = 20,041,827.98
  5. Step 5: Solve for x
    x = 20,041,827.98/6,286.32
  6. Step 6: Final answer
    x = 3,188.17

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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.