Home / 6,628.04-9,928.91-3,996.23

Finding the Fourth Proportional to 6,628.04, 9,928.91 and 3,996.23

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Solution

The fourth proportional to 6,628.04, 9,928.91 and 3,996.23 is: 5,986.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,628.04 : 9,928.91 = 3,996.23 : x
  2. Step 2: Convert to fraction form
    6,628.04/9,928.91 = 3,996.23/x
  3. Step 3: Cross multiply
    6,628.04x = 9,928.91 × 3,996.23
  4. Step 4: Simplify right side
    6,628.04x = 39,678,138.38
  5. Step 5: Solve for x
    x = 39,678,138.38/6,628.04
  6. Step 6: Final answer
    x = 5,986.41

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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.