Home / 7,086.36-10,627.38-3,386.64

Finding the Fourth Proportional to 7,086.36, 10,627.38 and 3,386.64

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Solution

The fourth proportional to 7,086.36, 10,627.38 and 3,386.64 is: 5,078.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,086.36 : 10,627.38 = 3,386.64 : x
  2. Step 2: Convert to fraction form
    7,086.36/10,627.38 = 3,386.64/x
  3. Step 3: Cross multiply
    7,086.36x = 10,627.38 × 3,386.64
  4. Step 4: Simplify right side
    7,086.36x = 35,991,110.20
  5. Step 5: Solve for x
    x = 35,991,110.20/7,086.36
  6. Step 6: Final answer
    x = 5,078.93

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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.