Home / 8,250.50-11,381.03-4,890.02

Finding the Fourth Proportional to 8,250.50, 11,381.03 and 4,890.02

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Solution

The fourth proportional to 8,250.50, 11,381.03 and 4,890.02 is: 6,745.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,250.50 : 11,381.03 = 4,890.02 : x
  2. Step 2: Convert to fraction form
    8,250.50/11,381.03 = 4,890.02/x
  3. Step 3: Cross multiply
    8,250.50x = 11,381.03 × 4,890.02
  4. Step 4: Simplify right side
    8,250.50x = 55,653,407.42
  5. Step 5: Solve for x
    x = 55,653,407.42/8,250.50
  6. Step 6: Final answer
    x = 6,745.46

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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.