Home / 4,318.98-6,481.58-2,928.87

Finding the Fourth Proportional to 4,318.98, 6,481.58 and 2,928.87

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Solution

The fourth proportional to 4,318.98, 6,481.58 and 2,928.87 is: 4,395.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,318.98 : 6,481.58 = 2,928.87 : x
  2. Step 2: Convert to fraction form
    4,318.98/6,481.58 = 2,928.87/x
  3. Step 3: Cross multiply
    4,318.98x = 6,481.58 × 2,928.87
  4. Step 4: Simplify right side
    4,318.98x = 18,983,690.57
  5. Step 5: Solve for x
    x = 18,983,690.57/4,318.98
  6. Step 6: Final answer
    x = 4,395.41

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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.