Home / 5,150.27-7,106.99-2,911.97

Finding the Fourth Proportional to 5,150.27, 7,106.99 and 2,911.97

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Solution

The fourth proportional to 5,150.27, 7,106.99 and 2,911.97 is: 4,018.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,150.27 : 7,106.99 = 2,911.97 : x
  2. Step 2: Convert to fraction form
    5,150.27/7,106.99 = 2,911.97/x
  3. Step 3: Cross multiply
    5,150.27x = 7,106.99 × 2,911.97
  4. Step 4: Simplify right side
    5,150.27x = 20,695,291.58
  5. Step 5: Solve for x
    x = 20,695,291.58/5,150.27
  6. Step 6: Final answer
    x = 4,018.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.