Home / 4,581.36-6,866.40-2,112.84

Finding the Fourth Proportional to 4,581.36, 6,866.40 and 2,112.84

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Solution

The fourth proportional to 4,581.36, 6,866.40 and 2,112.84 is: 3,166.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,581.36 : 6,866.40 = 2,112.84 : x
  2. Step 2: Convert to fraction form
    4,581.36/6,866.40 = 2,112.84/x
  3. Step 3: Cross multiply
    4,581.36x = 6,866.40 × 2,112.84
  4. Step 4: Simplify right side
    4,581.36x = 14,507,604.58
  5. Step 5: Solve for x
    x = 14,507,604.58/4,581.36
  6. Step 6: Final answer
    x = 3,166.66

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.