Home / 6,453.55-9,673.94-3,115.64

Finding the Fourth Proportional to 6,453.55, 9,673.94 and 3,115.64

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Solution

The fourth proportional to 6,453.55, 9,673.94 and 3,115.64 is: 4,670.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,453.55 : 9,673.94 = 3,115.64 : x
  2. Step 2: Convert to fraction form
    6,453.55/9,673.94 = 3,115.64/x
  3. Step 3: Cross multiply
    6,453.55x = 9,673.94 × 3,115.64
  4. Step 4: Simplify right side
    6,453.55x = 30,140,514.42
  5. Step 5: Solve for x
    x = 30,140,514.42/6,453.55
  6. Step 6: Final answer
    x = 4,670.38

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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.