Home / 5,661.20-7,812.44-3,302.88

Finding the Fourth Proportional to 5,661.20, 7,812.44 and 3,302.88

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Solution

The fourth proportional to 5,661.20, 7,812.44 and 3,302.88 is: 4,557.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,661.20 : 7,812.44 = 3,302.88 : x
  2. Step 2: Convert to fraction form
    5,661.20/7,812.44 = 3,302.88/x
  3. Step 3: Cross multiply
    5,661.20x = 7,812.44 × 3,302.88
  4. Step 4: Simplify right side
    5,661.20x = 25,803,535.31
  5. Step 5: Solve for x
    x = 25,803,535.31/5,661.20
  6. Step 6: Final answer
    x = 4,557.97

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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.