Home / 4,985.77-7,480.32-2,212.06

Finding the Fourth Proportional to 4,985.77, 7,480.32 and 2,212.06

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Solution

The fourth proportional to 4,985.77, 7,480.32 and 2,212.06 is: 3,318.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,985.77 : 7,480.32 = 2,212.06 : x
  2. Step 2: Convert to fraction form
    4,985.77/7,480.32 = 2,212.06/x
  3. Step 3: Cross multiply
    4,985.77x = 7,480.32 × 2,212.06
  4. Step 4: Simplify right side
    4,985.77x = 16,546,916.66
  5. Step 5: Solve for x
    x = 16,546,916.66/4,985.77
  6. Step 6: Final answer
    x = 3,318.83

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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.