Home / 7,286.46-10,928.53-2,605.60

Finding the Fourth Proportional to 7,286.46, 10,928.53 and 2,605.60

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Solution

The fourth proportional to 7,286.46, 10,928.53 and 2,605.60 is: 3,907.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,286.46 : 10,928.53 = 2,605.60 : x
  2. Step 2: Convert to fraction form
    7,286.46/10,928.53 = 2,605.60/x
  3. Step 3: Cross multiply
    7,286.46x = 10,928.53 × 2,605.60
  4. Step 4: Simplify right side
    7,286.46x = 28,475,310.10
  5. Step 5: Solve for x
    x = 28,475,310.10/7,286.46
  6. Step 6: Final answer
    x = 3,907.98

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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.