Home / 7,285.18-10,927.89-2,091.07

Finding the Fourth Proportional to 7,285.18, 10,927.89 and 2,091.07

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Solution

The fourth proportional to 7,285.18, 10,927.89 and 2,091.07 is: 3,136.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,285.18 : 10,927.89 = 2,091.07 : x
  2. Step 2: Convert to fraction form
    7,285.18/10,927.89 = 2,091.07/x
  3. Step 3: Cross multiply
    7,285.18x = 10,927.89 × 2,091.07
  4. Step 4: Simplify right side
    7,285.18x = 22,850,982.94
  5. Step 5: Solve for x
    x = 22,850,982.94/7,285.18
  6. Step 6: Final answer
    x = 3,136.64

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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.