Home / 6,823.26-10,239.75-2,928.78

Finding the Fourth Proportional to 6,823.26, 10,239.75 and 2,928.78

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Solution

The fourth proportional to 6,823.26, 10,239.75 and 2,928.78 is: 4,395.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,823.26 : 10,239.75 = 2,928.78 : x
  2. Step 2: Convert to fraction form
    6,823.26/10,239.75 = 2,928.78/x
  3. Step 3: Cross multiply
    6,823.26x = 10,239.75 × 2,928.78
  4. Step 4: Simplify right side
    6,823.26x = 29,989,975.01
  5. Step 5: Solve for x
    x = 29,989,975.01/6,823.26
  6. Step 6: Final answer
    x = 4,395.26

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1.5x scale

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.