Home / 6,415.21-9,610.35-3,633.31

Finding the Fourth Proportional to 6,415.21, 9,610.35 and 3,633.31

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Solution

The fourth proportional to 6,415.21, 9,610.35 and 3,633.31 is: 5,442.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,415.21 : 9,610.35 = 3,633.31 : x
  2. Step 2: Convert to fraction form
    6,415.21/9,610.35 = 3,633.31/x
  3. Step 3: Cross multiply
    6,415.21x = 9,610.35 × 3,633.31
  4. Step 4: Simplify right side
    6,415.21x = 34,917,380.76
  5. Step 5: Solve for x
    x = 34,917,380.76/6,415.21
  6. Step 6: Final answer
    x = 5,442.91

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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.