Home / 4,821.08-7,231.30-2,972.45

Finding the Fourth Proportional to 4,821.08, 7,231.30 and 2,972.45

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Solution

The fourth proportional to 4,821.08, 7,231.30 and 2,972.45 is: 4,458.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,821.08 : 7,231.30 = 2,972.45 : x
  2. Step 2: Convert to fraction form
    4,821.08/7,231.30 = 2,972.45/x
  3. Step 3: Cross multiply
    4,821.08x = 7,231.30 × 2,972.45
  4. Step 4: Simplify right side
    4,821.08x = 21,494,688.33
  5. Step 5: Solve for x
    x = 21,494,688.33/4,821.08
  6. Step 6: Final answer
    x = 4,458.48

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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.