Home / 6,646.10-9,171.62-3,621.20

Finding the Fourth Proportional to 6,646.10, 9,171.62 and 3,621.20

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Solution

The fourth proportional to 6,646.10, 9,171.62 and 3,621.20 is: 4,997.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,646.10 : 9,171.62 = 3,621.20 : x
  2. Step 2: Convert to fraction form
    6,646.10/9,171.62 = 3,621.20/x
  3. Step 3: Cross multiply
    6,646.10x = 9,171.62 × 3,621.20
  4. Step 4: Simplify right side
    6,646.10x = 33,212,270.34
  5. Step 5: Solve for x
    x = 33,212,270.34/6,646.10
  6. Step 6: Final answer
    x = 4,997.26

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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.