Home / 7,135.20-9,845.43-4,480.73

Finding the Fourth Proportional to 7,135.20, 9,845.43 and 4,480.73

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Solution

The fourth proportional to 7,135.20, 9,845.43 and 4,480.73 is: 6,182.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,135.20 : 9,845.43 = 4,480.73 : x
  2. Step 2: Convert to fraction form
    7,135.20/9,845.43 = 4,480.73/x
  3. Step 3: Cross multiply
    7,135.20x = 9,845.43 × 4,480.73
  4. Step 4: Simplify right side
    7,135.20x = 44,114,713.56
  5. Step 5: Solve for x
    x = 44,114,713.56/7,135.20
  6. Step 6: Final answer
    x = 6,182.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.