Home / 6,514.08-9,770.80-2,130.96

Finding the Fourth Proportional to 6,514.08, 9,770.80 and 2,130.96

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Solution

The fourth proportional to 6,514.08, 9,770.80 and 2,130.96 is: 3,196.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,514.08 : 9,770.80 = 2,130.96 : x
  2. Step 2: Convert to fraction form
    6,514.08/9,770.80 = 2,130.96/x
  3. Step 3: Cross multiply
    6,514.08x = 9,770.80 × 2,130.96
  4. Step 4: Simplify right side
    6,514.08x = 20,821,183.97
  5. Step 5: Solve for x
    x = 20,821,183.97/6,514.08
  6. Step 6: Final answer
    x = 3,196.34

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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.