Home / 4,948.09-6,828.30-2,823.57

Finding the Fourth Proportional to 4,948.09, 6,828.30 and 2,823.57

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Solution

The fourth proportional to 4,948.09, 6,828.30 and 2,823.57 is: 3,896.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,948.09 : 6,828.30 = 2,823.57 : x
  2. Step 2: Convert to fraction form
    4,948.09/6,828.30 = 2,823.57/x
  3. Step 3: Cross multiply
    4,948.09x = 6,828.30 × 2,823.57
  4. Step 4: Simplify right side
    4,948.09x = 19,280,183.03
  5. Step 5: Solve for x
    x = 19,280,183.03/4,948.09
  6. Step 6: Final answer
    x = 3,896.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.