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Finding the Fourth Proportional to 9,189.03, 13,788.11 and 3,642.26

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Solution

The fourth proportional to 9,189.03, 13,788.11 and 3,642.26 is: 5,465.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,189.03 : 13,788.11 = 3,642.26 : x
  2. Step 2: Convert to fraction form
    9,189.03/13,788.11 = 3,642.26/x
  3. Step 3: Cross multiply
    9,189.03x = 13,788.11 × 3,642.26
  4. Step 4: Simplify right side
    9,189.03x = 50,219,794.38
  5. Step 5: Solve for x
    x = 50,219,794.38/9,189.03
  6. Step 6: Final answer
    x = 5,465.19

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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.