Home / 4,135.24-6,202.86-1,213.77

Finding the Fourth Proportional to 4,135.24, 6,202.86 and 1,213.77

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Solution

The fourth proportional to 4,135.24, 6,202.86 and 1,213.77 is: 1,820.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,135.24 : 6,202.86 = 1,213.77 : x
  2. Step 2: Convert to fraction form
    4,135.24/6,202.86 = 1,213.77/x
  3. Step 3: Cross multiply
    4,135.24x = 6,202.86 × 1,213.77
  4. Step 4: Simplify right side
    4,135.24x = 7,528,845.38
  5. Step 5: Solve for x
    x = 7,528,845.38/4,135.24
  6. Step 6: Final answer
    x = 1,820.66

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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.