Home / 5,226.75-7,840.06-1,331.11

Finding the Fourth Proportional to 5,226.75, 7,840.06 and 1,331.11

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Solution

The fourth proportional to 5,226.75, 7,840.06 and 1,331.11 is: 1,996.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,226.75 : 7,840.06 = 1,331.11 : x
  2. Step 2: Convert to fraction form
    5,226.75/7,840.06 = 1,331.11/x
  3. Step 3: Cross multiply
    5,226.75x = 7,840.06 × 1,331.11
  4. Step 4: Simplify right side
    5,226.75x = 10,435,982.27
  5. Step 5: Solve for x
    x = 10,435,982.27/5,226.75
  6. Step 6: Final answer
    x = 1,996.65

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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.