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Finding the Fourth Proportional to 7,950.50, 11,924.12 and 3,018.41

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Solution

The fourth proportional to 7,950.50, 11,924.12 and 3,018.41 is: 4,526.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,950.50 : 11,924.12 = 3,018.41 : x
  2. Step 2: Convert to fraction form
    7,950.50/11,924.12 = 3,018.41/x
  3. Step 3: Cross multiply
    7,950.50x = 11,924.12 × 3,018.41
  4. Step 4: Simplify right side
    7,950.50x = 35,991,830.97
  5. Step 5: Solve for x
    x = 35,991,830.97/7,950.50
  6. Step 6: Final answer
    x = 4,526.99

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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.