Home / 4,980.86-7,464.29-3,936.26

Finding the Fourth Proportional to 4,980.86, 7,464.29 and 3,936.26

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Solution

The fourth proportional to 4,980.86, 7,464.29 and 3,936.26 is: 5,898.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,980.86 : 7,464.29 = 3,936.26 : x
  2. Step 2: Convert to fraction form
    4,980.86/7,464.29 = 3,936.26/x
  3. Step 3: Cross multiply
    4,980.86x = 7,464.29 × 3,936.26
  4. Step 4: Simplify right side
    4,980.86x = 29,381,386.16
  5. Step 5: Solve for x
    x = 29,381,386.16/4,980.86
  6. Step 6: Final answer
    x = 5,898.86

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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.