Home / 5,360.09-8,052.50-5,138.66

Finding the Fourth Proportional to 5,360.09, 8,052.50 and 5,138.66

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Solution

The fourth proportional to 5,360.09, 8,052.50 and 5,138.66 is: 7,719.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,360.09 : 8,052.50 = 5,138.66 : x
  2. Step 2: Convert to fraction form
    5,360.09/8,052.50 = 5,138.66/x
  3. Step 3: Cross multiply
    5,360.09x = 8,052.50 × 5,138.66
  4. Step 4: Simplify right side
    5,360.09x = 41,379,033.96
  5. Step 5: Solve for x
    x = 41,379,033.96/5,360.09
  6. Step 6: Final answer
    x = 7,719.84

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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.