Home / 5,286.23-7,295.37-2,928.53

Finding the Fourth Proportional to 5,286.23, 7,295.37 and 2,928.53

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Solution

The fourth proportional to 5,286.23, 7,295.37 and 2,928.53 is: 4,041.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,286.23 : 7,295.37 = 2,928.53 : x
  2. Step 2: Convert to fraction form
    5,286.23/7,295.37 = 2,928.53/x
  3. Step 3: Cross multiply
    5,286.23x = 7,295.37 × 2,928.53
  4. Step 4: Simplify right side
    5,286.23x = 21,364,673.43
  5. Step 5: Solve for x
    x = 21,364,673.43/5,286.23
  6. Step 6: Final answer
    x = 4,041.57

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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.