Home / 7,091.42-10,631.79-2,408.50

Finding the Fourth Proportional to 7,091.42, 10,631.79 and 2,408.50

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Solution

The fourth proportional to 7,091.42, 10,631.79 and 2,408.50 is: 3,610.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,091.42 : 10,631.79 = 2,408.50 : x
  2. Step 2: Convert to fraction form
    7,091.42/10,631.79 = 2,408.50/x
  3. Step 3: Cross multiply
    7,091.42x = 10,631.79 × 2,408.50
  4. Step 4: Simplify right side
    7,091.42x = 25,606,679.50
  5. Step 5: Solve for x
    x = 25,606,679.50/7,091.42
  6. Step 6: Final answer
    x = 3,610.94

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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.