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Finding the Fourth Proportional to 4,794.93, 6,616.53 and 2,805.09

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Solution

The fourth proportional to 4,794.93, 6,616.53 and 2,805.09 is: 3,870.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,794.93 : 6,616.53 = 2,805.09 : x
  2. Step 2: Convert to fraction form
    4,794.93/6,616.53 = 2,805.09/x
  3. Step 3: Cross multiply
    4,794.93x = 6,616.53 × 2,805.09
  4. Step 4: Simplify right side
    4,794.93x = 18,559,962.14
  5. Step 5: Solve for x
    x = 18,559,962.14/4,794.93
  6. Step 6: Final answer
    x = 3,870.75

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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.