Home / 4,135.96-6,205.22-1,214.32

Finding the Fourth Proportional to 4,135.96, 6,205.22 and 1,214.32

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Solution

The fourth proportional to 4,135.96, 6,205.22 and 1,214.32 is: 1,821.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,135.96 : 6,205.22 = 1,214.32 : x
  2. Step 2: Convert to fraction form
    4,135.96/6,205.22 = 1,214.32/x
  3. Step 3: Cross multiply
    4,135.96x = 6,205.22 × 1,214.32
  4. Step 4: Simplify right side
    4,135.96x = 7,535,122.75
  5. Step 5: Solve for x
    x = 7,535,122.75/4,135.96
  6. Step 6: Final answer
    x = 1,821.86

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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.