Home / 4,928.57-6,801.14-2,690

Finding the Fourth Proportional to 4,928.57, 6,801.14 and 2,690

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Solution

The fourth proportional to 4,928.57, 6,801.14 and 2,690 is: 3,712.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,928.57 : 6,801.14 = 2,690 : x
  2. Step 2: Convert to fraction form
    4,928.57/6,801.14 = 2,690/x
  3. Step 3: Cross multiply
    4,928.57x = 6,801.14 × 2,690
  4. Step 4: Simplify right side
    4,928.57x = 18,295,066.60
  5. Step 5: Solve for x
    x = 18,295,066.60/4,928.57
  6. Step 6: Final answer
    x = 3,712.04

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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.