Home / 8,260.75-11,396.11-4,903.70

Finding the Fourth Proportional to 8,260.75, 11,396.11 and 4,903.70

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Solution

The fourth proportional to 8,260.75, 11,396.11 and 4,903.70 is: 6,764.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,260.75 : 11,396.11 = 4,903.70 : x
  2. Step 2: Convert to fraction form
    8,260.75/11,396.11 = 4,903.70/x
  3. Step 3: Cross multiply
    8,260.75x = 11,396.11 × 4,903.70
  4. Step 4: Simplify right side
    8,260.75x = 55,883,092.35
  5. Step 5: Solve for x
    x = 55,883,092.35/8,260.75
  6. Step 6: Final answer
    x = 6,764.90

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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.