Home / 7,845.90-11,749.41-4,375.86

Finding the Fourth Proportional to 7,845.90, 11,749.41 and 4,375.86

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Solution

The fourth proportional to 7,845.90, 11,749.41 and 4,375.86 is: 6,552.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,845.90 : 11,749.41 = 4,375.86 : x
  2. Step 2: Convert to fraction form
    7,845.90/11,749.41 = 4,375.86/x
  3. Step 3: Cross multiply
    7,845.90x = 11,749.41 × 4,375.86
  4. Step 4: Simplify right side
    7,845.90x = 51,413,773.24
  5. Step 5: Solve for x
    x = 51,413,773.24/7,845.90
  6. Step 6: Final answer
    x = 6,552.95

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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.