Home / 7,408.99-11,113.70-3,246.85

Finding the Fourth Proportional to 7,408.99, 11,113.70 and 3,246.85

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Solution

The fourth proportional to 7,408.99, 11,113.70 and 3,246.85 is: 4,870.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,408.99 : 11,113.70 = 3,246.85 : x
  2. Step 2: Convert to fraction form
    7,408.99/11,113.70 = 3,246.85/x
  3. Step 3: Cross multiply
    7,408.99x = 11,113.70 × 3,246.85
  4. Step 4: Simplify right side
    7,408.99x = 36,084,516.85
  5. Step 5: Solve for x
    x = 36,084,516.85/7,408.99
  6. Step 6: Final answer
    x = 4,870.37

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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.