Home / 7,450.56-11,161.08-5,104.80

Finding the Fourth Proportional to 7,450.56, 11,161.08 and 5,104.80

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Solution

The fourth proportional to 7,450.56, 11,161.08 and 5,104.80 is: 7,647.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,450.56 : 11,161.08 = 5,104.80 : x
  2. Step 2: Convert to fraction form
    7,450.56/11,161.08 = 5,104.80/x
  3. Step 3: Cross multiply
    7,450.56x = 11,161.08 × 5,104.80
  4. Step 4: Simplify right side
    7,450.56x = 56,975,081.18
  5. Step 5: Solve for x
    x = 56,975,081.18/7,450.56
  6. Step 6: Final answer
    x = 7,647.09

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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.