Home / 7,408.96-11,118.29-2,729.03

Finding the Fourth Proportional to 7,408.96, 11,118.29 and 2,729.03

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Solution

The fourth proportional to 7,408.96, 11,118.29 and 2,729.03 is: 4,095.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,408.96 : 11,118.29 = 2,729.03 : x
  2. Step 2: Convert to fraction form
    7,408.96/11,118.29 = 2,729.03/x
  3. Step 3: Cross multiply
    7,408.96x = 11,118.29 × 2,729.03
  4. Step 4: Simplify right side
    7,408.96x = 30,342,077.72
  5. Step 5: Solve for x
    x = 30,342,077.72/7,408.96
  6. Step 6: Final answer
    x = 4,095.32

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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.