Home / 6,938.37-10,397.24-4,161.79

Finding the Fourth Proportional to 6,938.37, 10,397.24 and 4,161.79

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Solution

The fourth proportional to 6,938.37, 10,397.24 and 4,161.79 is: 6,236.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,938.37 : 10,397.24 = 4,161.79 : x
  2. Step 2: Convert to fraction form
    6,938.37/10,397.24 = 4,161.79/x
  3. Step 3: Cross multiply
    6,938.37x = 10,397.24 × 4,161.79
  4. Step 4: Simplify right side
    6,938.37x = 43,271,129.46
  5. Step 5: Solve for x
    x = 43,271,129.46/6,938.37
  6. Step 6: Final answer
    x = 6,236.50

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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.