Home / 7,779.13-11,667.05-2,514.63

Finding the Fourth Proportional to 7,779.13, 11,667.05 and 2,514.63

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Solution

The fourth proportional to 7,779.13, 11,667.05 and 2,514.63 is: 3,771.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,779.13 : 11,667.05 = 2,514.63 : x
  2. Step 2: Convert to fraction form
    7,779.13/11,667.05 = 2,514.63/x
  3. Step 3: Cross multiply
    7,779.13x = 11,667.05 × 2,514.63
  4. Step 4: Simplify right side
    7,779.13x = 29,338,313.94
  5. Step 5: Solve for x
    x = 29,338,313.94/7,779.13
  6. Step 6: Final answer
    x = 3,771.41

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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.