Home / 7,690.44-11,535.66-4,405.62

Finding the Fourth Proportional to 7,690.44, 11,535.66 and 4,405.62

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Solution

The fourth proportional to 7,690.44, 11,535.66 and 4,405.62 is: 6,608.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,690.44 : 11,535.66 = 4,405.62 : x
  2. Step 2: Convert to fraction form
    7,690.44/11,535.66 = 4,405.62/x
  3. Step 3: Cross multiply
    7,690.44x = 11,535.66 × 4,405.62
  4. Step 4: Simplify right side
    7,690.44x = 50,821,734.41
  5. Step 5: Solve for x
    x = 50,821,734.41/7,690.44
  6. Step 6: Final answer
    x = 6,608.43

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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.