Home / 5,618.07-8,420.02-2,845.44

Finding the Fourth Proportional to 5,618.07, 8,420.02 and 2,845.44

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Solution

The fourth proportional to 5,618.07, 8,420.02 and 2,845.44 is: 4,264.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,618.07 : 8,420.02 = 2,845.44 : x
  2. Step 2: Convert to fraction form
    5,618.07/8,420.02 = 2,845.44/x
  3. Step 3: Cross multiply
    5,618.07x = 8,420.02 × 2,845.44
  4. Step 4: Simplify right side
    5,618.07x = 23,958,654.60
  5. Step 5: Solve for x
    x = 23,958,654.60/5,618.07
  6. Step 6: Final answer
    x = 4,264.57

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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.