Home / 4,577.18-6,866.37-2,112.55

Finding the Fourth Proportional to 4,577.18, 6,866.37 and 2,112.55

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Solution

The fourth proportional to 4,577.18, 6,866.37 and 2,112.55 is: 3,169.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,577.18 : 6,866.37 = 2,112.55 : x
  2. Step 2: Convert to fraction form
    4,577.18/6,866.37 = 2,112.55/x
  3. Step 3: Cross multiply
    4,577.18x = 6,866.37 × 2,112.55
  4. Step 4: Simplify right side
    4,577.18x = 14,505,532.78
  5. Step 5: Solve for x
    x = 14,505,532.78/4,577.18
  6. Step 6: Final answer
    x = 3,169.10

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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.