Home / 6,445.48-9,668.37-4,238.38

Finding the Fourth Proportional to 6,445.48, 9,668.37 and 4,238.38

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Solution

The fourth proportional to 6,445.48, 9,668.37 and 4,238.38 is: 6,357.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,445.48 : 9,668.37 = 4,238.38 : x
  2. Step 2: Convert to fraction form
    6,445.48/9,668.37 = 4,238.38/x
  3. Step 3: Cross multiply
    6,445.48x = 9,668.37 × 4,238.38
  4. Step 4: Simplify right side
    6,445.48x = 40,978,226.04
  5. Step 5: Solve for x
    x = 40,978,226.04/6,445.48
  6. Step 6: Final answer
    x = 6,357.67

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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.