Home / 4,285.03-6,428.49-1,821.96

Finding the Fourth Proportional to 4,285.03, 6,428.49 and 1,821.96

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Solution

The fourth proportional to 4,285.03, 6,428.49 and 1,821.96 is: 2,733.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,285.03 : 6,428.49 = 1,821.96 : x
  2. Step 2: Convert to fraction form
    4,285.03/6,428.49 = 1,821.96/x
  3. Step 3: Cross multiply
    4,285.03x = 6,428.49 × 1,821.96
  4. Step 4: Simplify right side
    4,285.03x = 11,712,451.64
  5. Step 5: Solve for x
    x = 11,712,451.64/4,285.03
  6. Step 6: Final answer
    x = 2,733.34

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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.