Home / 6,724.20-9,279.32-3,740.37

Finding the Fourth Proportional to 6,724.20, 9,279.32 and 3,740.37

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Solution

The fourth proportional to 6,724.20, 9,279.32 and 3,740.37 is: 5,161.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,724.20 : 9,279.32 = 3,740.37 : x
  2. Step 2: Convert to fraction form
    6,724.20/9,279.32 = 3,740.37/x
  3. Step 3: Cross multiply
    6,724.20x = 9,279.32 × 3,740.37
  4. Step 4: Simplify right side
    6,724.20x = 34,708,090.15
  5. Step 5: Solve for x
    x = 34,708,090.15/6,724.20
  6. Step 6: Final answer
    x = 5,161.67

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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.