Home / 8,237.69-11,367.29-4,879.89

Finding the Fourth Proportional to 8,237.69, 11,367.29 and 4,879.89

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Solution

The fourth proportional to 8,237.69, 11,367.29 and 4,879.89 is: 6,733.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,237.69 : 11,367.29 = 4,879.89 : x
  2. Step 2: Convert to fraction form
    8,237.69/11,367.29 = 4,879.89/x
  3. Step 3: Cross multiply
    8,237.69x = 11,367.29 × 4,879.89
  4. Step 4: Simplify right side
    8,237.69x = 55,471,100.40
  5. Step 5: Solve for x
    x = 55,471,100.40/8,237.69
  6. Step 6: Final answer
    x = 6,733.82

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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.