Home / 7,408.42-11,111.46-2,213.08

Finding the Fourth Proportional to 7,408.42, 11,111.46 and 2,213.08

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Solution

The fourth proportional to 7,408.42, 11,111.46 and 2,213.08 is: 3,319.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,408.42 : 11,111.46 = 2,213.08 : x
  2. Step 2: Convert to fraction form
    7,408.42/11,111.46 = 2,213.08/x
  3. Step 3: Cross multiply
    7,408.42x = 11,111.46 × 2,213.08
  4. Step 4: Simplify right side
    7,408.42x = 24,590,549.90
  5. Step 5: Solve for x
    x = 24,590,549.90/7,408.42
  6. Step 6: Final answer
    x = 3,319.27

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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.