Home / 4,415.56-6,622.31-1,643.54

Finding the Fourth Proportional to 4,415.56, 6,622.31 and 1,643.54

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Solution

The fourth proportional to 4,415.56, 6,622.31 and 1,643.54 is: 2,464.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,415.56 : 6,622.31 = 1,643.54 : x
  2. Step 2: Convert to fraction form
    4,415.56/6,622.31 = 1,643.54/x
  3. Step 3: Cross multiply
    4,415.56x = 6,622.31 × 1,643.54
  4. Step 4: Simplify right side
    4,415.56x = 10,884,029.26
  5. Step 5: Solve for x
    x = 10,884,029.26/4,415.56
  6. Step 6: Final answer
    x = 2,464.93

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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.