Home / 4,821.86-7,230.04-1,898.56

Finding the Fourth Proportional to 4,821.86, 7,230.04 and 1,898.56

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Solution

The fourth proportional to 4,821.86, 7,230.04 and 1,898.56 is: 2,846.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,821.86 : 7,230.04 = 1,898.56 : x
  2. Step 2: Convert to fraction form
    4,821.86/7,230.04 = 1,898.56/x
  3. Step 3: Cross multiply
    4,821.86x = 7,230.04 × 1,898.56
  4. Step 4: Simplify right side
    4,821.86x = 13,726,664.74
  5. Step 5: Solve for x
    x = 13,726,664.74/4,821.86
  6. Step 6: Final answer
    x = 2,846.76

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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.