Home / 4,539.78-6,810.22-1,618.38

Finding the Fourth Proportional to 4,539.78, 6,810.22 and 1,618.38

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Solution

The fourth proportional to 4,539.78, 6,810.22 and 1,618.38 is: 2,427.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,539.78 : 6,810.22 = 1,618.38 : x
  2. Step 2: Convert to fraction form
    4,539.78/6,810.22 = 1,618.38/x
  3. Step 3: Cross multiply
    4,539.78x = 6,810.22 × 1,618.38
  4. Step 4: Simplify right side
    4,539.78x = 11,021,523.84
  5. Step 5: Solve for x
    x = 11,021,523.84/4,539.78
  6. Step 6: Final answer
    x = 2,427.77

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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.