Home / 8,583.21-12,868.74-3,650.31

Finding the Fourth Proportional to 8,583.21, 12,868.74 and 3,650.31

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Solution

The fourth proportional to 8,583.21, 12,868.74 and 3,650.31 is: 5,472.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,583.21 : 12,868.74 = 3,650.31 : x
  2. Step 2: Convert to fraction form
    8,583.21/12,868.74 = 3,650.31/x
  3. Step 3: Cross multiply
    8,583.21x = 12,868.74 × 3,650.31
  4. Step 4: Simplify right side
    8,583.21x = 46,974,890.31
  5. Step 5: Solve for x
    x = 46,974,890.31/8,583.21
  6. Step 6: Final answer
    x = 5,472.88

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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.