Home / 6,823.79-10,235.70-2,079.99

Finding the Fourth Proportional to 6,823.79, 10,235.70 and 2,079.99

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Solution

The fourth proportional to 6,823.79, 10,235.70 and 2,079.99 is: 3,119.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,823.79 : 10,235.70 = 2,079.99 : x
  2. Step 2: Convert to fraction form
    6,823.79/10,235.70 = 2,079.99/x
  3. Step 3: Cross multiply
    6,823.79x = 10,235.70 × 2,079.99
  4. Step 4: Simplify right side
    6,823.79x = 21,290,153.64
  5. Step 5: Solve for x
    x = 21,290,153.64/6,823.79
  6. Step 6: Final answer
    x = 3,119.99

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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.