Home / 5,110.80-7,653.48-4,188.64

Finding the Fourth Proportional to 5,110.80, 7,653.48 and 4,188.64

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Solution

The fourth proportional to 5,110.80, 7,653.48 and 4,188.64 is: 6,272.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,110.80 : 7,653.48 = 4,188.64 : x
  2. Step 2: Convert to fraction form
    5,110.80/7,653.48 = 4,188.64/x
  3. Step 3: Cross multiply
    5,110.80x = 7,653.48 × 4,188.64
  4. Step 4: Simplify right side
    5,110.80x = 32,057,672.47
  5. Step 5: Solve for x
    x = 32,057,672.47/5,110.80
  6. Step 6: Final answer
    x = 6,272.54

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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.