Home / 4,928.70-6,801.74-2,690.63

Finding the Fourth Proportional to 4,928.70, 6,801.74 and 2,690.63

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Solution

The fourth proportional to 4,928.70, 6,801.74 and 2,690.63 is: 3,713.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,928.70 : 6,801.74 = 2,690.63 : x
  2. Step 2: Convert to fraction form
    4,928.70/6,801.74 = 2,690.63/x
  3. Step 3: Cross multiply
    4,928.70x = 6,801.74 × 2,690.63
  4. Step 4: Simplify right side
    4,928.70x = 18,300,918.23
  5. Step 5: Solve for x
    x = 18,300,918.23/4,928.70
  6. Step 6: Final answer
    x = 3,713.13

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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.