Home / 6,815.12-10,216.62-2,654.16

Finding the Fourth Proportional to 6,815.12, 10,216.62 and 2,654.16

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Solution

The fourth proportional to 6,815.12, 10,216.62 and 2,654.16 is: 3,978.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,815.12 : 10,216.62 = 2,654.16 : x
  2. Step 2: Convert to fraction form
    6,815.12/10,216.62 = 2,654.16/x
  3. Step 3: Cross multiply
    6,815.12x = 10,216.62 × 2,654.16
  4. Step 4: Simplify right side
    6,815.12x = 27,116,544.14
  5. Step 5: Solve for x
    x = 27,116,544.14/6,815.12
  6. Step 6: Final answer
    x = 3,978.88

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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.