Home / 5,280.30-7,914.06-2,940.18

Finding the Fourth Proportional to 5,280.30, 7,914.06 and 2,940.18

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Solution

The fourth proportional to 5,280.30, 7,914.06 and 2,940.18 is: 4,406.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,280.30 : 7,914.06 = 2,940.18 : x
  2. Step 2: Convert to fraction form
    5,280.30/7,914.06 = 2,940.18/x
  3. Step 3: Cross multiply
    5,280.30x = 7,914.06 × 2,940.18
  4. Step 4: Simplify right side
    5,280.30x = 23,268,760.93
  5. Step 5: Solve for x
    x = 23,268,760.93/5,280.30
  6. Step 6: Final answer
    x = 4,406.71

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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.