Home / 5,245.44-7,237.40-3,120.41

Finding the Fourth Proportional to 5,245.44, 7,237.40 and 3,120.41

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Solution

The fourth proportional to 5,245.44, 7,237.40 and 3,120.41 is: 4,305.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,245.44 : 7,237.40 = 3,120.41 : x
  2. Step 2: Convert to fraction form
    5,245.44/7,237.40 = 3,120.41/x
  3. Step 3: Cross multiply
    5,245.44x = 7,237.40 × 3,120.41
  4. Step 4: Simplify right side
    5,245.44x = 22,583,603.54
  5. Step 5: Solve for x
    x = 22,583,603.54/5,245.44
  6. Step 6: Final answer
    x = 4,305.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.