Home / 7,186.19-10,775.62-3,287.25

Finding the Fourth Proportional to 7,186.19, 10,775.62 and 3,287.25

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Solution

The fourth proportional to 7,186.19, 10,775.62 and 3,287.25 is: 4,929.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,186.19 : 10,775.62 = 3,287.25 : x
  2. Step 2: Convert to fraction form
    7,186.19/10,775.62 = 3,287.25/x
  3. Step 3: Cross multiply
    7,186.19x = 10,775.62 × 3,287.25
  4. Step 4: Simplify right side
    7,186.19x = 35,422,156.85
  5. Step 5: Solve for x
    x = 35,422,156.85/7,186.19
  6. Step 6: Final answer
    x = 4,929.20

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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.