Home / 7,181.40-10,788.44-6,197.28

Finding the Fourth Proportional to 7,181.40, 10,788.44 and 6,197.28

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Solution

The fourth proportional to 7,181.40, 10,788.44 and 6,197.28 is: 9,310.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,181.40 : 10,788.44 = 6,197.28 : x
  2. Step 2: Convert to fraction form
    7,181.40/10,788.44 = 6,197.28/x
  3. Step 3: Cross multiply
    7,181.40x = 10,788.44 × 6,197.28
  4. Step 4: Simplify right side
    7,181.40x = 66,858,983.44
  5. Step 5: Solve for x
    x = 66,858,983.44/7,181.40
  6. Step 6: Final answer
    x = 9,310.02

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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.