Home / 9,129.03-13,690.80-4,744.09

Finding the Fourth Proportional to 9,129.03, 13,690.80 and 4,744.09

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Solution

The fourth proportional to 9,129.03, 13,690.80 and 4,744.09 is: 7,114.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,129.03 : 13,690.80 = 4,744.09 : x
  2. Step 2: Convert to fraction form
    9,129.03/13,690.80 = 4,744.09/x
  3. Step 3: Cross multiply
    9,129.03x = 13,690.80 × 4,744.09
  4. Step 4: Simplify right side
    9,129.03x = 64,950,387.37
  5. Step 5: Solve for x
    x = 64,950,387.37/9,129.03
  6. Step 6: Final answer
    x = 7,114.71

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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.