Home / 6,443.09-9,664.55-1,826.09

Finding the Fourth Proportional to 6,443.09, 9,664.55 and 1,826.09

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Solution

The fourth proportional to 6,443.09, 9,664.55 and 1,826.09 is: 2,739.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,443.09 : 9,664.55 = 1,826.09 : x
  2. Step 2: Convert to fraction form
    6,443.09/9,664.55 = 1,826.09/x
  3. Step 3: Cross multiply
    6,443.09x = 9,664.55 × 1,826.09
  4. Step 4: Simplify right side
    6,443.09x = 17,648,328.98
  5. Step 5: Solve for x
    x = 17,648,328.98/6,443.09
  6. Step 6: Final answer
    x = 2,739.11

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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.