Home / 7,391.00-11,052.83-5,518.21

Finding the Fourth Proportional to 7,391.00, 11,052.83 and 5,518.21

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Solution

The fourth proportional to 7,391.00, 11,052.83 and 5,518.21 is: 8,252.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,391.00 : 11,052.83 = 5,518.21 : x
  2. Step 2: Convert to fraction form
    7,391.00/11,052.83 = 5,518.21/x
  3. Step 3: Cross multiply
    7,391.00x = 11,052.83 × 5,518.21
  4. Step 4: Simplify right side
    7,391.00x = 60,991,781.81
  5. Step 5: Solve for x
    x = 60,991,781.81/7,391.00
  6. Step 6: Final answer
    x = 8,252.17

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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.