Home / 4,845.81-6,687.37-2,858.07

Finding the Fourth Proportional to 4,845.81, 6,687.37 and 2,858.07

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Solution

The fourth proportional to 4,845.81, 6,687.37 and 2,858.07 is: 3,944.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,845.81 : 6,687.37 = 2,858.07 : x
  2. Step 2: Convert to fraction form
    4,845.81/6,687.37 = 2,858.07/x
  3. Step 3: Cross multiply
    4,845.81x = 6,687.37 × 2,858.07
  4. Step 4: Simplify right side
    4,845.81x = 19,112,971.58
  5. Step 5: Solve for x
    x = 19,112,971.58/4,845.81
  6. Step 6: Final answer
    x = 3,944.23

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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.