Home / 6,646.85-9,172.55-3,622.01

Finding the Fourth Proportional to 6,646.85, 9,172.55 and 3,622.01

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Solution

The fourth proportional to 6,646.85, 9,172.55 and 3,622.01 is: 4,998.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,646.85 : 9,172.55 = 3,622.01 : x
  2. Step 2: Convert to fraction form
    6,646.85/9,172.55 = 3,622.01/x
  3. Step 3: Cross multiply
    6,646.85x = 9,172.55 × 3,622.01
  4. Step 4: Simplify right side
    6,646.85x = 33,223,049.72
  5. Step 5: Solve for x
    x = 33,223,049.72/6,646.85
  6. Step 6: Final answer
    x = 4,998.31

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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.