Home / 4,948.48-6,828.96-3,086.56

Finding the Fourth Proportional to 4,948.48, 6,828.96 and 3,086.56

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Solution

The fourth proportional to 4,948.48, 6,828.96 and 3,086.56 is: 4,259.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,948.48 : 6,828.96 = 3,086.56 : x
  2. Step 2: Convert to fraction form
    4,948.48/6,828.96 = 3,086.56/x
  3. Step 3: Cross multiply
    4,948.48x = 6,828.96 × 3,086.56
  4. Step 4: Simplify right side
    4,948.48x = 21,077,994.78
  5. Step 5: Solve for x
    x = 21,077,994.78/4,948.48
  6. Step 6: Final answer
    x = 4,259.49

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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.