Home / 8,609.18-11,879.75-4,832.76

Finding the Fourth Proportional to 8,609.18, 11,879.75 and 4,832.76

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Solution

The fourth proportional to 8,609.18, 11,879.75 and 4,832.76 is: 6,668.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,609.18 : 11,879.75 = 4,832.76 : x
  2. Step 2: Convert to fraction form
    8,609.18/11,879.75 = 4,832.76/x
  3. Step 3: Cross multiply
    8,609.18x = 11,879.75 × 4,832.76
  4. Step 4: Simplify right side
    8,609.18x = 57,411,945.69
  5. Step 5: Solve for x
    x = 57,411,945.69/8,609.18
  6. Step 6: Final answer
    x = 6,668.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.