Home / 4,905.19-7,357.84-1,982.81

Finding the Fourth Proportional to 4,905.19, 7,357.84 and 1,982.81

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Solution

The fourth proportional to 4,905.19, 7,357.84 and 1,982.81 is: 2,974.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,905.19 : 7,357.84 = 1,982.81 : x
  2. Step 2: Convert to fraction form
    4,905.19/7,357.84 = 1,982.81/x
  3. Step 3: Cross multiply
    4,905.19x = 7,357.84 × 1,982.81
  4. Step 4: Simplify right side
    4,905.19x = 14,589,212.17
  5. Step 5: Solve for x
    x = 14,589,212.17/4,905.19
  6. Step 6: Final answer
    x = 2,974.24

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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.