Home / 6,938.32-10,408.56-3,189.28

Finding the Fourth Proportional to 6,938.32, 10,408.56 and 3,189.28

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Solution

The fourth proportional to 6,938.32, 10,408.56 and 3,189.28 is: 4,784.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,938.32 : 10,408.56 = 3,189.28 : x
  2. Step 2: Convert to fraction form
    6,938.32/10,408.56 = 3,189.28/x
  3. Step 3: Cross multiply
    6,938.32x = 10,408.56 × 3,189.28
  4. Step 4: Simplify right side
    6,938.32x = 33,195,812.24
  5. Step 5: Solve for x
    x = 33,195,812.24/6,938.32
  6. Step 6: Final answer
    x = 4,784.42

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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.