Home / 5,456.97-8,187.48-2,830.14

Finding the Fourth Proportional to 5,456.97, 8,187.48 and 2,830.14

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Solution

The fourth proportional to 5,456.97, 8,187.48 and 2,830.14 is: 4,246.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,456.97 : 8,187.48 = 2,830.14 : x
  2. Step 2: Convert to fraction form
    5,456.97/8,187.48 = 2,830.14/x
  3. Step 3: Cross multiply
    5,456.97x = 8,187.48 × 2,830.14
  4. Step 4: Simplify right side
    5,456.97x = 23,171,714.65
  5. Step 5: Solve for x
    x = 23,171,714.65/5,456.97
  6. Step 6: Final answer
    x = 4,246.26

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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.