Home / 5,214.99-7,196.48-3,120.27

Finding the Fourth Proportional to 5,214.99, 7,196.48 and 3,120.27

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Solution

The fourth proportional to 5,214.99, 7,196.48 and 3,120.27 is: 4,305.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,214.99 : 7,196.48 = 3,120.27 : x
  2. Step 2: Convert to fraction form
    5,214.99/7,196.48 = 3,120.27/x
  3. Step 3: Cross multiply
    5,214.99x = 7,196.48 × 3,120.27
  4. Step 4: Simplify right side
    5,214.99x = 22,454,945.05
  5. Step 5: Solve for x
    x = 22,454,945.05/5,214.99
  6. Step 6: Final answer
    x = 4,305.85

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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.