Home / 4,881.44-6,735.96-2,891.66

Finding the Fourth Proportional to 4,881.44, 6,735.96 and 2,891.66

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Solution

The fourth proportional to 4,881.44, 6,735.96 and 2,891.66 is: 3,990.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,881.44 : 6,735.96 = 2,891.66 : x
  2. Step 2: Convert to fraction form
    4,881.44/6,735.96 = 2,891.66/x
  3. Step 3: Cross multiply
    4,881.44x = 6,735.96 × 2,891.66
  4. Step 4: Simplify right side
    4,881.44x = 19,478,106.09
  5. Step 5: Solve for x
    x = 19,478,106.09/4,881.44
  6. Step 6: Final answer
    x = 3,990.24

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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.