Home / 6,958.90-10,439.80-2,278.54

Finding the Fourth Proportional to 6,958.90, 10,439.80 and 2,278.54

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Solution

The fourth proportional to 6,958.90, 10,439.80 and 2,278.54 is: 3,418.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,958.90 : 10,439.80 = 2,278.54 : x
  2. Step 2: Convert to fraction form
    6,958.90/10,439.80 = 2,278.54/x
  3. Step 3: Cross multiply
    6,958.90x = 10,439.80 × 2,278.54
  4. Step 4: Simplify right side
    6,958.90x = 23,787,501.89
  5. Step 5: Solve for x
    x = 23,787,501.89/6,958.90
  6. Step 6: Final answer
    x = 3,418.28

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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.