Home / 5,285.99-7,929.53-1,822.43

Finding the Fourth Proportional to 5,285.99, 7,929.53 and 1,822.43

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Solution

The fourth proportional to 5,285.99, 7,929.53 and 1,822.43 is: 2,733.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,285.99 : 7,929.53 = 1,822.43 : x
  2. Step 2: Convert to fraction form
    5,285.99/7,929.53 = 1,822.43/x
  3. Step 3: Cross multiply
    5,285.99x = 7,929.53 × 1,822.43
  4. Step 4: Simplify right side
    5,285.99x = 14,451,013.36
  5. Step 5: Solve for x
    x = 14,451,013.36/5,285.99
  6. Step 6: Final answer
    x = 2,733.83

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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.