Home / 6,743.54-10,114.16-1,812.78

Finding the Fourth Proportional to 6,743.54, 10,114.16 and 1,812.78

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Solution

The fourth proportional to 6,743.54, 10,114.16 and 1,812.78 is: 2,718.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,743.54 : 10,114.16 = 1,812.78 : x
  2. Step 2: Convert to fraction form
    6,743.54/10,114.16 = 1,812.78/x
  3. Step 3: Cross multiply
    6,743.54x = 10,114.16 × 1,812.78
  4. Step 4: Simplify right side
    6,743.54x = 18,334,746.96
  5. Step 5: Solve for x
    x = 18,334,746.96/6,743.54
  6. Step 6: Final answer
    x = 2,718.86

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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.