Home / 4,157.78-6,237.06-1,818

Finding the Fourth Proportional to 4,157.78, 6,237.06 and 1,818

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Solution

The fourth proportional to 4,157.78, 6,237.06 and 1,818 is: 2,727.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,157.78 : 6,237.06 = 1,818 : x
  2. Step 2: Convert to fraction form
    4,157.78/6,237.06 = 1,818/x
  3. Step 3: Cross multiply
    4,157.78x = 6,237.06 × 1,818
  4. Step 4: Simplify right side
    4,157.78x = 11,338,975.08
  5. Step 5: Solve for x
    x = 11,338,975.08/4,157.78
  6. Step 6: Final answer
    x = 2,727.17

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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.