Home / 6,938.05-10,408.47-2,555.53

Finding the Fourth Proportional to 6,938.05, 10,408.47 and 2,555.53

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Solution

The fourth proportional to 6,938.05, 10,408.47 and 2,555.53 is: 3,833.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,938.05 : 10,408.47 = 2,555.53 : x
  2. Step 2: Convert to fraction form
    6,938.05/10,408.47 = 2,555.53/x
  3. Step 3: Cross multiply
    6,938.05x = 10,408.47 × 2,555.53
  4. Step 4: Simplify right side
    6,938.05x = 26,599,157.34
  5. Step 5: Solve for x
    x = 26,599,157.34/6,938.05
  6. Step 6: Final answer
    x = 3,833.81

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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.