Home / 6,938.45-10,408.54-2,257.20

Finding the Fourth Proportional to 6,938.45, 10,408.54 and 2,257.20

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Solution

The fourth proportional to 6,938.45, 10,408.54 and 2,257.20 is: 3,386.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,938.45 : 10,408.54 = 2,257.20 : x
  2. Step 2: Convert to fraction form
    6,938.45/10,408.54 = 2,257.20/x
  3. Step 3: Cross multiply
    6,938.45x = 10,408.54 × 2,257.20
  4. Step 4: Simplify right side
    6,938.45x = 23,494,174.69
  5. Step 5: Solve for x
    x = 23,494,174.69/6,938.45
  6. Step 6: Final answer
    x = 3,386.08

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1.5x scale

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.