Home / 7,745.70-11,619.81-4,827.18

Finding the Fourth Proportional to 7,745.70, 11,619.81 and 4,827.18

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Solution

The fourth proportional to 7,745.70, 11,619.81 and 4,827.18 is: 7,241.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,745.70 : 11,619.81 = 4,827.18 : x
  2. Step 2: Convert to fraction form
    7,745.70/11,619.81 = 4,827.18/x
  3. Step 3: Cross multiply
    7,745.70x = 11,619.81 × 4,827.18
  4. Step 4: Simplify right side
    7,745.70x = 56,090,914.44
  5. Step 5: Solve for x
    x = 56,090,914.44/7,745.70
  6. Step 6: Final answer
    x = 7,241.56

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1.5x scale

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.