Home / 8,222.15-11,350.26-5,241.98

Finding the Fourth Proportional to 8,222.15, 11,350.26 and 5,241.98

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Solution

The fourth proportional to 8,222.15, 11,350.26 and 5,241.98 is: 7,236.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,222.15 : 11,350.26 = 5,241.98 : x
  2. Step 2: Convert to fraction form
    8,222.15/11,350.26 = 5,241.98/x
  3. Step 3: Cross multiply
    8,222.15x = 11,350.26 × 5,241.98
  4. Step 4: Simplify right side
    8,222.15x = 59,497,779.16
  5. Step 5: Solve for x
    x = 59,497,779.16/8,222.15
  6. Step 6: Final answer
    x = 7,236.28

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1.5x scale

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.