Home / 7,154.22-10,730.42-2,768.68

Finding the Fourth Proportional to 7,154.22, 10,730.42 and 2,768.68

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Solution

The fourth proportional to 7,154.22, 10,730.42 and 2,768.68 is: 4,152.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,154.22 : 10,730.42 = 2,768.68 : x
  2. Step 2: Convert to fraction form
    7,154.22/10,730.42 = 2,768.68/x
  3. Step 3: Cross multiply
    7,154.22x = 10,730.42 × 2,768.68
  4. Step 4: Simplify right side
    7,154.22x = 29,709,099.25
  5. Step 5: Solve for x
    x = 29,709,099.25/7,154.22
  6. Step 6: Final answer
    x = 4,152.67

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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.