Home / 7,883.37-11,817.77-4,180.05

Finding the Fourth Proportional to 7,883.37, 11,817.77 and 4,180.05

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Solution

The fourth proportional to 7,883.37, 11,817.77 and 4,180.05 is: 6,266.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,883.37 : 11,817.77 = 4,180.05 : x
  2. Step 2: Convert to fraction form
    7,883.37/11,817.77 = 4,180.05/x
  3. Step 3: Cross multiply
    7,883.37x = 11,817.77 × 4,180.05
  4. Step 4: Simplify right side
    7,883.37x = 49,398,848.59
  5. Step 5: Solve for x
    x = 49,398,848.59/7,883.37
  6. Step 6: Final answer
    x = 6,266.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.