Home / 9,505.85-14,261.40-3,961.80

Finding the Fourth Proportional to 9,505.85, 14,261.40 and 3,961.80

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Solution

The fourth proportional to 9,505.85, 14,261.40 and 3,961.80 is: 5,943.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,505.85 : 14,261.40 = 3,961.80 : x
  2. Step 2: Convert to fraction form
    9,505.85/14,261.40 = 3,961.80/x
  3. Step 3: Cross multiply
    9,505.85x = 14,261.40 × 3,961.80
  4. Step 4: Simplify right side
    9,505.85x = 56,500,814.52
  5. Step 5: Solve for x
    x = 56,500,814.52/9,505.85
  6. Step 6: Final answer
    x = 5,943.80

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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.