Home / 5,351.46-8,028.96-2,389.56

Finding the Fourth Proportional to 5,351.46, 8,028.96 and 2,389.56

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Solution

The fourth proportional to 5,351.46, 8,028.96 and 2,389.56 is: 3,585.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,351.46 : 8,028.96 = 2,389.56 : x
  2. Step 2: Convert to fraction form
    5,351.46/8,028.96 = 2,389.56/x
  3. Step 3: Cross multiply
    5,351.46x = 8,028.96 × 2,389.56
  4. Step 4: Simplify right side
    5,351.46x = 19,185,681.66
  5. Step 5: Solve for x
    x = 19,185,681.66/5,351.46
  6. Step 6: Final answer
    x = 3,585.13

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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.