Home / 6,918.63-10,380.96-3,630.93

Finding the Fourth Proportional to 6,918.63, 10,380.96 and 3,630.93

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Solution

The fourth proportional to 6,918.63, 10,380.96 and 3,630.93 is: 5,447.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,918.63 : 10,380.96 = 3,630.93 : x
  2. Step 2: Convert to fraction form
    6,918.63/10,380.96 = 3,630.93/x
  3. Step 3: Cross multiply
    6,918.63x = 10,380.96 × 3,630.93
  4. Step 4: Simplify right side
    6,918.63x = 37,692,539.09
  5. Step 5: Solve for x
    x = 37,692,539.09/6,918.63
  6. Step 6: Final answer
    x = 5,447.98

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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.