Home / 8,174.57-11,277.90-4,986.80

Finding the Fourth Proportional to 8,174.57, 11,277.90 and 4,986.80

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Solution

The fourth proportional to 8,174.57, 11,277.90 and 4,986.80 is: 6,879.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,174.57 : 11,277.90 = 4,986.80 : x
  2. Step 2: Convert to fraction form
    8,174.57/11,277.90 = 4,986.80/x
  3. Step 3: Cross multiply
    8,174.57x = 11,277.90 × 4,986.80
  4. Step 4: Simplify right side
    8,174.57x = 56,240,575.33
  5. Step 5: Solve for x
    x = 56,240,575.33/8,174.57
  6. Step 6: Final answer
    x = 6,879.94

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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.