Home / 7,474.48-11,211.72-2,280.31

Finding the Fourth Proportional to 7,474.48, 11,211.72 and 2,280.31

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Solution

The fourth proportional to 7,474.48, 11,211.72 and 2,280.31 is: 3,420.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,474.48 : 11,211.72 = 2,280.31 : x
  2. Step 2: Convert to fraction form
    7,474.48/11,211.72 = 2,280.31/x
  3. Step 3: Cross multiply
    7,474.48x = 11,211.72 × 2,280.31
  4. Step 4: Simplify right side
    7,474.48x = 25,566,197.23
  5. Step 5: Solve for x
    x = 25,566,197.23/7,474.48
  6. Step 6: Final answer
    x = 3,420.47

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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.