Home / 6,895.70-10,343.55-3,609.80

Finding the Fourth Proportional to 6,895.70, 10,343.55 and 3,609.80

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Solution

The fourth proportional to 6,895.70, 10,343.55 and 3,609.80 is: 5,414.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,895.70 : 10,343.55 = 3,609.80 : x
  2. Step 2: Convert to fraction form
    6,895.70/10,343.55 = 3,609.80/x
  3. Step 3: Cross multiply
    6,895.70x = 10,343.55 × 3,609.80
  4. Step 4: Simplify right side
    6,895.70x = 37,338,146.79
  5. Step 5: Solve for x
    x = 37,338,146.79/6,895.70
  6. Step 6: Final answer
    x = 5,414.70

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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.