Home / 6,816.65-10,206.75-3,890.93

Finding the Fourth Proportional to 6,816.65, 10,206.75 and 3,890.93

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Solution

The fourth proportional to 6,816.65, 10,206.75 and 3,890.93 is: 5,825.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,816.65 : 10,206.75 = 3,890.93 : x
  2. Step 2: Convert to fraction form
    6,816.65/10,206.75 = 3,890.93/x
  3. Step 3: Cross multiply
    6,816.65x = 10,206.75 × 3,890.93
  4. Step 4: Simplify right side
    6,816.65x = 39,713,749.78
  5. Step 5: Solve for x
    x = 39,713,749.78/6,816.65
  6. Step 6: Final answer
    x = 5,825.99

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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.