Home / 5,219.09-7,826.70-2,098.05

Finding the Fourth Proportional to 5,219.09, 7,826.70 and 2,098.05

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Solution

The fourth proportional to 5,219.09, 7,826.70 and 2,098.05 is: 3,146.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,219.09 : 7,826.70 = 2,098.05 : x
  2. Step 2: Convert to fraction form
    5,219.09/7,826.70 = 2,098.05/x
  3. Step 3: Cross multiply
    5,219.09x = 7,826.70 × 2,098.05
  4. Step 4: Simplify right side
    5,219.09x = 16,420,804.00
  5. Step 5: Solve for x
    x = 16,420,804.00/5,219.09
  6. Step 6: Final answer
    x = 3,146.29

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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.