Home / 5,286.44-7,295.30-2,928.52

Finding the Fourth Proportional to 5,286.44, 7,295.30 and 2,928.52

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Solution

The fourth proportional to 5,286.44, 7,295.30 and 2,928.52 is: 4,041.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,286.44 : 7,295.30 = 2,928.52 : x
  2. Step 2: Convert to fraction form
    5,286.44/7,295.30 = 2,928.52/x
  3. Step 3: Cross multiply
    5,286.44x = 7,295.30 × 2,928.52
  4. Step 4: Simplify right side
    5,286.44x = 21,364,431.96
  5. Step 5: Solve for x
    x = 21,364,431.96/5,286.44
  6. Step 6: Final answer
    x = 4,041.36

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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.