Home / 4,301.24-6,451.86-1,379.78

Finding the Fourth Proportional to 4,301.24, 6,451.86 and 1,379.78

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Solution

The fourth proportional to 4,301.24, 6,451.86 and 1,379.78 is: 2,069.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,301.24 : 6,451.86 = 1,379.78 : x
  2. Step 2: Convert to fraction form
    4,301.24/6,451.86 = 1,379.78/x
  3. Step 3: Cross multiply
    4,301.24x = 6,451.86 × 1,379.78
  4. Step 4: Simplify right side
    4,301.24x = 8,902,147.39
  5. Step 5: Solve for x
    x = 8,902,147.39/4,301.24
  6. Step 6: Final answer
    x = 2,069.67

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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.