Home / 4,576.14-6,863.94-1,978.74

Finding the Fourth Proportional to 4,576.14, 6,863.94 and 1,978.74

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Solution

The fourth proportional to 4,576.14, 6,863.94 and 1,978.74 is: 2,967.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,576.14 : 6,863.94 = 1,978.74 : x
  2. Step 2: Convert to fraction form
    4,576.14/6,863.94 = 1,978.74/x
  3. Step 3: Cross multiply
    4,576.14x = 6,863.94 × 1,978.74
  4. Step 4: Simplify right side
    4,576.14x = 13,581,952.64
  5. Step 5: Solve for x
    x = 13,581,952.64/4,576.14
  6. Step 6: Final answer
    x = 2,967.99

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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.