Home / 5,426.09-7,486.31-3,188.06

Finding the Fourth Proportional to 5,426.09, 7,486.31 and 3,188.06

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Solution

The fourth proportional to 5,426.09, 7,486.31 and 3,188.06 is: 4,398.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,426.09 : 7,486.31 = 3,188.06 : x
  2. Step 2: Convert to fraction form
    5,426.09/7,486.31 = 3,188.06/x
  3. Step 3: Cross multiply
    5,426.09x = 7,486.31 × 3,188.06
  4. Step 4: Simplify right side
    5,426.09x = 23,866,752.09
  5. Step 5: Solve for x
    x = 23,866,752.09/5,426.09
  6. Step 6: Final answer
    x = 4,398.52

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.