Home / 7,676.05-11,514.07-2,130.79

Finding the Fourth Proportional to 7,676.05, 11,514.07 and 2,130.79

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Solution

The fourth proportional to 7,676.05, 11,514.07 and 2,130.79 is: 3,196.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,676.05 : 11,514.07 = 2,130.79 : x
  2. Step 2: Convert to fraction form
    7,676.05/11,514.07 = 2,130.79/x
  3. Step 3: Cross multiply
    7,676.05x = 11,514.07 × 2,130.79
  4. Step 4: Simplify right side
    7,676.05x = 24,534,065.22
  5. Step 5: Solve for x
    x = 24,534,065.22/7,676.05
  6. Step 6: Final answer
    x = 3,196.18

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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.