Home / 4,093.93-6,142.09-1,320.55

Finding the Fourth Proportional to 4,093.93, 6,142.09 and 1,320.55

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Solution

The fourth proportional to 4,093.93, 6,142.09 and 1,320.55 is: 1,981.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,093.93 : 6,142.09 = 1,320.55 : x
  2. Step 2: Convert to fraction form
    4,093.93/6,142.09 = 1,320.55/x
  3. Step 3: Cross multiply
    4,093.93x = 6,142.09 × 1,320.55
  4. Step 4: Simplify right side
    4,093.93x = 8,110,906.24
  5. Step 5: Solve for x
    x = 8,110,906.24/4,093.93
  6. Step 6: Final answer
    x = 1,981.20

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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.