Home / 9,187.42-13,782.03-2,945.86

Finding the Fourth Proportional to 9,187.42, 13,782.03 and 2,945.86

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Solution

The fourth proportional to 9,187.42, 13,782.03 and 2,945.86 is: 4,419.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,187.42 : 13,782.03 = 2,945.86 : x
  2. Step 2: Convert to fraction form
    9,187.42/13,782.03 = 2,945.86/x
  3. Step 3: Cross multiply
    9,187.42x = 13,782.03 × 2,945.86
  4. Step 4: Simplify right side
    9,187.42x = 40,599,930.90
  5. Step 5: Solve for x
    x = 40,599,930.90/9,187.42
  6. Step 6: Final answer
    x = 4,419.08

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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.