Home / 6,213.12-9,318.40-2,748.16

Finding the Fourth Proportional to 6,213.12, 9,318.40 and 2,748.16

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Solution

The fourth proportional to 6,213.12, 9,318.40 and 2,748.16 is: 4,121.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,213.12 : 9,318.40 = 2,748.16 : x
  2. Step 2: Convert to fraction form
    6,213.12/9,318.40 = 2,748.16/x
  3. Step 3: Cross multiply
    6,213.12x = 9,318.40 × 2,748.16
  4. Step 4: Simplify right side
    6,213.12x = 25,608,454.14
  5. Step 5: Solve for x
    x = 25,608,454.14/6,213.12
  6. Step 6: Final answer
    x = 4,121.67

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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.