Home / 4,539.72-6,812.82-1,618.05

Finding the Fourth Proportional to 4,539.72, 6,812.82 and 1,618.05

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Solution

The fourth proportional to 4,539.72, 6,812.82 and 1,618.05 is: 2,428.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,539.72 : 6,812.82 = 1,618.05 : x
  2. Step 2: Convert to fraction form
    4,539.72/6,812.82 = 1,618.05/x
  3. Step 3: Cross multiply
    4,539.72x = 6,812.82 × 1,618.05
  4. Step 4: Simplify right side
    4,539.72x = 11,023,483.40
  5. Step 5: Solve for x
    x = 11,023,483.40/4,539.72
  6. Step 6: Final answer
    x = 2,428.23

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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.