Home / 7,040.67-9,664.37-6,226.15

Finding the Fourth Proportional to 7,040.67, 9,664.37 and 6,226.15

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Solution

The fourth proportional to 7,040.67, 9,664.37 and 6,226.15 is: 8,546.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,040.67 : 9,664.37 = 6,226.15 : x
  2. Step 2: Convert to fraction form
    7,040.67/9,664.37 = 6,226.15/x
  3. Step 3: Cross multiply
    7,040.67x = 9,664.37 × 6,226.15
  4. Step 4: Simplify right side
    7,040.67x = 60,171,817.28
  5. Step 5: Solve for x
    x = 60,171,817.28/7,040.67
  6. Step 6: Final answer
    x = 8,546.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.