Home / 6,645.14-9,171.62-3,814.43

Finding the Fourth Proportional to 6,645.14, 9,171.62 and 3,814.43

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Solution

The fourth proportional to 6,645.14, 9,171.62 and 3,814.43 is: 5,264.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,645.14 : 9,171.62 = 3,814.43 : x
  2. Step 2: Convert to fraction form
    6,645.14/9,171.62 = 3,814.43/x
  3. Step 3: Cross multiply
    6,645.14x = 9,171.62 × 3,814.43
  4. Step 4: Simplify right side
    6,645.14x = 34,984,488.37
  5. Step 5: Solve for x
    x = 34,984,488.37/6,645.14
  6. Step 6: Final answer
    x = 5,264.67

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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.