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Finding the Fourth Proportional to 8,085.94, 11,157.69 and 4,899.94

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Solution

The fourth proportional to 8,085.94, 11,157.69 and 4,899.94 is: 6,761.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,085.94 : 11,157.69 = 4,899.94 : x
  2. Step 2: Convert to fraction form
    8,085.94/11,157.69 = 4,899.94/x
  3. Step 3: Cross multiply
    8,085.94x = 11,157.69 × 4,899.94
  4. Step 4: Simplify right side
    8,085.94x = 54,672,011.54
  5. Step 5: Solve for x
    x = 54,672,011.54/8,085.94
  6. Step 6: Final answer
    x = 6,761.37

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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.