Home / 4,914.14-6,781.56-2,818.25

Finding the Fourth Proportional to 4,914.14, 6,781.56 and 2,818.25

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Solution

The fourth proportional to 4,914.14, 6,781.56 and 2,818.25 is: 3,889.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,914.14 : 6,781.56 = 2,818.25 : x
  2. Step 2: Convert to fraction form
    4,914.14/6,781.56 = 2,818.25/x
  3. Step 3: Cross multiply
    4,914.14x = 6,781.56 × 2,818.25
  4. Step 4: Simplify right side
    4,914.14x = 19,112,131.47
  5. Step 5: Solve for x
    x = 19,112,131.47/4,914.14
  6. Step 6: Final answer
    x = 3,889.21

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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.