Home / 4,815.68-7,220.16-1,694.96

Finding the Fourth Proportional to 4,815.68, 7,220.16 and 1,694.96

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Solution

The fourth proportional to 4,815.68, 7,220.16 and 1,694.96 is: 2,541.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,815.68 : 7,220.16 = 1,694.96 : x
  2. Step 2: Convert to fraction form
    4,815.68/7,220.16 = 1,694.96/x
  3. Step 3: Cross multiply
    4,815.68x = 7,220.16 × 1,694.96
  4. Step 4: Simplify right side
    4,815.68x = 12,237,882.39
  5. Step 5: Solve for x
    x = 12,237,882.39/4,815.68
  6. Step 6: Final answer
    x = 2,541.26

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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.