Home / 6,646.35-9,171.90-3,662.13

Finding the Fourth Proportional to 6,646.35, 9,171.90 and 3,662.13

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Solution

The fourth proportional to 6,646.35, 9,171.90 and 3,662.13 is: 5,053.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,646.35 : 9,171.90 = 3,662.13 : x
  2. Step 2: Convert to fraction form
    6,646.35/9,171.90 = 3,662.13/x
  3. Step 3: Cross multiply
    6,646.35x = 9,171.90 × 3,662.13
  4. Step 4: Simplify right side
    6,646.35x = 33,588,690.15
  5. Step 5: Solve for x
    x = 33,588,690.15/6,646.35
  6. Step 6: Final answer
    x = 5,053.70

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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.