Home / 9,477.78-14,220.36-3,929.73

Finding the Fourth Proportional to 9,477.78, 14,220.36 and 3,929.73

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Solution

The fourth proportional to 9,477.78, 14,220.36 and 3,929.73 is: 5,896.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,477.78 : 14,220.36 = 3,929.73 : x
  2. Step 2: Convert to fraction form
    9,477.78/14,220.36 = 3,929.73/x
  3. Step 3: Cross multiply
    9,477.78x = 14,220.36 × 3,929.73
  4. Step 4: Simplify right side
    9,477.78x = 55,882,175.30
  5. Step 5: Solve for x
    x = 55,882,175.30/9,477.78
  6. Step 6: Final answer
    x = 5,896.12

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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.