Home / 4,376.25-6,556.64-2,812.59

Finding the Fourth Proportional to 4,376.25, 6,556.64 and 2,812.59

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Solution

The fourth proportional to 4,376.25, 6,556.64 and 2,812.59 is: 4,213.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,376.25 : 6,556.64 = 2,812.59 : x
  2. Step 2: Convert to fraction form
    4,376.25/6,556.64 = 2,812.59/x
  3. Step 3: Cross multiply
    4,376.25x = 6,556.64 × 2,812.59
  4. Step 4: Simplify right side
    4,376.25x = 18,441,126.03
  5. Step 5: Solve for x
    x = 18,441,126.03/4,376.25
  6. Step 6: Final answer
    x = 4,213.91

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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.