Home / 5,188.10-7,152.98-3,770.64

Finding the Fourth Proportional to 5,188.10, 7,152.98 and 3,770.64

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Solution

The fourth proportional to 5,188.10, 7,152.98 and 3,770.64 is: 5,198.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,188.10 : 7,152.98 = 3,770.64 : x
  2. Step 2: Convert to fraction form
    5,188.10/7,152.98 = 3,770.64/x
  3. Step 3: Cross multiply
    5,188.10x = 7,152.98 × 3,770.64
  4. Step 4: Simplify right side
    5,188.10x = 26,971,293.65
  5. Step 5: Solve for x
    x = 26,971,293.65/5,188.10
  6. Step 6: Final answer
    x = 5,198.69

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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.