Home / 6,945.75-10,420.25-2,328.75

Finding the Fourth Proportional to 6,945.75, 10,420.25 and 2,328.75

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Solution

The fourth proportional to 6,945.75, 10,420.25 and 2,328.75 is: 3,493.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,945.75 : 10,420.25 = 2,328.75 : x
  2. Step 2: Convert to fraction form
    6,945.75/10,420.25 = 2,328.75/x
  3. Step 3: Cross multiply
    6,945.75x = 10,420.25 × 2,328.75
  4. Step 4: Simplify right side
    6,945.75x = 24,266,145.54
  5. Step 5: Solve for x
    x = 24,266,145.54/6,945.75
  6. Step 6: Final answer
    x = 3,493.67

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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.