Home / 5,326.96-7,991.40-2,406.64

Finding the Fourth Proportional to 5,326.96, 7,991.40 and 2,406.64

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Solution

The fourth proportional to 5,326.96, 7,991.40 and 2,406.64 is: 3,610.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,326.96 : 7,991.40 = 2,406.64 : x
  2. Step 2: Convert to fraction form
    5,326.96/7,991.40 = 2,406.64/x
  3. Step 3: Cross multiply
    5,326.96x = 7,991.40 × 2,406.64
  4. Step 4: Simplify right side
    5,326.96x = 19,232,422.90
  5. Step 5: Solve for x
    x = 19,232,422.90/5,326.96
  6. Step 6: Final answer
    x = 3,610.39

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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.