Home / 5,476.61-8,212.44-2,555.75

Finding the Fourth Proportional to 5,476.61, 8,212.44 and 2,555.75

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Solution

The fourth proportional to 5,476.61, 8,212.44 and 2,555.75 is: 3,832.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,476.61 : 8,212.44 = 2,555.75 : x
  2. Step 2: Convert to fraction form
    5,476.61/8,212.44 = 2,555.75/x
  3. Step 3: Cross multiply
    5,476.61x = 8,212.44 × 2,555.75
  4. Step 4: Simplify right side
    5,476.61x = 20,988,943.53
  5. Step 5: Solve for x
    x = 20,988,943.53/5,476.61
  6. Step 6: Final answer
    x = 3,832.47

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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.