Home / 4,987.75-6,883.25-2,749.77

Finding the Fourth Proportional to 4,987.75, 6,883.25 and 2,749.77

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Solution

The fourth proportional to 4,987.75, 6,883.25 and 2,749.77 is: 3,794.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,987.75 : 6,883.25 = 2,749.77 : x
  2. Step 2: Convert to fraction form
    4,987.75/6,883.25 = 2,749.77/x
  3. Step 3: Cross multiply
    4,987.75x = 6,883.25 × 2,749.77
  4. Step 4: Simplify right side
    4,987.75x = 18,927,340.60
  5. Step 5: Solve for x
    x = 18,927,340.60/4,987.75
  6. Step 6: Final answer
    x = 3,794.77

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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.