Home / 9,180.36-13,768.08-3,985

Finding the Fourth Proportional to 9,180.36, 13,768.08 and 3,985

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Solution

The fourth proportional to 9,180.36, 13,768.08 and 3,985 is: 5,976.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,180.36 : 13,768.08 = 3,985 : x
  2. Step 2: Convert to fraction form
    9,180.36/13,768.08 = 3,985/x
  3. Step 3: Cross multiply
    9,180.36x = 13,768.08 × 3,985
  4. Step 4: Simplify right side
    9,180.36x = 54,865,798.80
  5. Step 5: Solve for x
    x = 54,865,798.80/9,180.36
  6. Step 6: Final answer
    x = 5,976.43

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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.