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Finding the Fourth Proportional to 4,987.83, 6,883.09 and 2,749.66

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Solution

The fourth proportional to 4,987.83, 6,883.09 and 2,749.66 is: 3,794.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,987.83 : 6,883.09 = 2,749.66 : x
  2. Step 2: Convert to fraction form
    4,987.83/6,883.09 = 2,749.66/x
  3. Step 3: Cross multiply
    4,987.83x = 6,883.09 × 2,749.66
  4. Step 4: Simplify right side
    4,987.83x = 18,926,122.83
  5. Step 5: Solve for x
    x = 18,926,122.83/4,987.83
  6. Step 6: Final answer
    x = 3,794.46

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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.