Home / 6,646.80-9,173.91-3,816.09

Finding the Fourth Proportional to 6,646.80, 9,173.91 and 3,816.09

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Solution

The fourth proportional to 6,646.80, 9,173.91 and 3,816.09 is: 5,266.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,646.80 : 9,173.91 = 3,816.09 : x
  2. Step 2: Convert to fraction form
    6,646.80/9,173.91 = 3,816.09/x
  3. Step 3: Cross multiply
    6,646.80x = 9,173.91 × 3,816.09
  4. Step 4: Simplify right side
    6,646.80x = 35,008,401.26
  5. Step 5: Solve for x
    x = 35,008,401.26/6,646.80
  6. Step 6: Final answer
    x = 5,266.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.