Home / 7,456.98-11,180-3,944.14

Finding the Fourth Proportional to 7,456.98, 11,180 and 3,944.14

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Solution

The fourth proportional to 7,456.98, 11,180 and 3,944.14 is: 5,913.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,456.98 : 11,180 = 3,944.14 : x
  2. Step 2: Convert to fraction form
    7,456.98/11,180 = 3,944.14/x
  3. Step 3: Cross multiply
    7,456.98x = 11,180 × 3,944.14
  4. Step 4: Simplify right side
    7,456.98x = 44,095,485.20
  5. Step 5: Solve for x
    x = 44,095,485.20/7,456.98
  6. Step 6: Final answer
    x = 5,913.32

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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.