Home / 7,734.28-11,591.18-3,621.64

Finding the Fourth Proportional to 7,734.28, 11,591.18 and 3,621.64

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Solution

The fourth proportional to 7,734.28, 11,591.18 and 3,621.64 is: 5,427.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,734.28 : 11,591.18 = 3,621.64 : x
  2. Step 2: Convert to fraction form
    7,734.28/11,591.18 = 3,621.64/x
  3. Step 3: Cross multiply
    7,734.28x = 11,591.18 × 3,621.64
  4. Step 4: Simplify right side
    7,734.28x = 41,979,081.14
  5. Step 5: Solve for x
    x = 41,979,081.14/7,734.28
  6. Step 6: Final answer
    x = 5,427.67

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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.