Home / 7,941.18-11,917.85-5,718.94

Finding the Fourth Proportional to 7,941.18, 11,917.85 and 5,718.94

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Solution

The fourth proportional to 7,941.18, 11,917.85 and 5,718.94 is: 8,582.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,941.18 : 11,917.85 = 5,718.94 : x
  2. Step 2: Convert to fraction form
    7,941.18/11,917.85 = 5,718.94/x
  3. Step 3: Cross multiply
    7,941.18x = 11,917.85 × 5,718.94
  4. Step 4: Simplify right side
    7,941.18x = 68,157,469.08
  5. Step 5: Solve for x
    x = 68,157,469.08/7,941.18
  6. Step 6: Final answer
    x = 8,582.79

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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.