Home / 6,243.30-8,618.16-3,853.67

Finding the Fourth Proportional to 6,243.30, 8,618.16 and 3,853.67

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Solution

The fourth proportional to 6,243.30, 8,618.16 and 3,853.67 is: 5,319.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,243.30 : 8,618.16 = 3,853.67 : x
  2. Step 2: Convert to fraction form
    6,243.30/8,618.16 = 3,853.67/x
  3. Step 3: Cross multiply
    6,243.30x = 8,618.16 × 3,853.67
  4. Step 4: Simplify right side
    6,243.30x = 33,211,501.56
  5. Step 5: Solve for x
    x = 33,211,501.56/6,243.30
  6. Step 6: Final answer
    x = 5,319.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.