Home / 7,665.05-11,495.75-2,118.27

Finding the Fourth Proportional to 7,665.05, 11,495.75 and 2,118.27

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Solution

The fourth proportional to 7,665.05, 11,495.75 and 2,118.27 is: 3,176.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,665.05 : 11,495.75 = 2,118.27 : x
  2. Step 2: Convert to fraction form
    7,665.05/11,495.75 = 2,118.27/x
  3. Step 3: Cross multiply
    7,665.05x = 11,495.75 × 2,118.27
  4. Step 4: Simplify right side
    7,665.05x = 24,351,091.76
  5. Step 5: Solve for x
    x = 24,351,091.76/7,665.05
  6. Step 6: Final answer
    x = 3,176.90

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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.