Home / 5,806.30-8,014.98-3,919

Finding the Fourth Proportional to 5,806.30, 8,014.98 and 3,919

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Solution

The fourth proportional to 5,806.30, 8,014.98 and 3,919 is: 5,409.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,806.30 : 8,014.98 = 3,919 : x
  2. Step 2: Convert to fraction form
    5,806.30/8,014.98 = 3,919/x
  3. Step 3: Cross multiply
    5,806.30x = 8,014.98 × 3,919
  4. Step 4: Simplify right side
    5,806.30x = 31,410,706.62
  5. Step 5: Solve for x
    x = 31,410,706.62/5,806.30
  6. Step 6: Final answer
    x = 5,409.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.