Home / 7,238.60-10,859.49-4,120.07

Finding the Fourth Proportional to 7,238.60, 10,859.49 and 4,120.07

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Solution

The fourth proportional to 7,238.60, 10,859.49 and 4,120.07 is: 6,181.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,238.60 : 10,859.49 = 4,120.07 : x
  2. Step 2: Convert to fraction form
    7,238.60/10,859.49 = 4,120.07/x
  3. Step 3: Cross multiply
    7,238.60x = 10,859.49 × 4,120.07
  4. Step 4: Simplify right side
    7,238.60x = 44,741,907.88
  5. Step 5: Solve for x
    x = 44,741,907.88/7,238.60
  6. Step 6: Final answer
    x = 6,181.02

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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.