Home / 6,278.49-9,406.25-2,940.61

Finding the Fourth Proportional to 6,278.49, 9,406.25 and 2,940.61

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Solution

The fourth proportional to 6,278.49, 9,406.25 and 2,940.61 is: 4,405.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,278.49 : 9,406.25 = 2,940.61 : x
  2. Step 2: Convert to fraction form
    6,278.49/9,406.25 = 2,940.61/x
  3. Step 3: Cross multiply
    6,278.49x = 9,406.25 × 2,940.61
  4. Step 4: Simplify right side
    6,278.49x = 27,660,112.81
  5. Step 5: Solve for x
    x = 27,660,112.81/6,278.49
  6. Step 6: Final answer
    x = 4,405.54

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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.