Home / 7,805.80-10,771.45-4,268.94

Finding the Fourth Proportional to 7,805.80, 10,771.45 and 4,268.94

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Solution

The fourth proportional to 7,805.80, 10,771.45 and 4,268.94 is: 5,890.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,805.80 : 10,771.45 = 4,268.94 : x
  2. Step 2: Convert to fraction form
    7,805.80/10,771.45 = 4,268.94/x
  3. Step 3: Cross multiply
    7,805.80x = 10,771.45 × 4,268.94
  4. Step 4: Simplify right side
    7,805.80x = 45,982,673.76
  5. Step 5: Solve for x
    x = 45,982,673.76/7,805.80
  6. Step 6: Final answer
    x = 5,890.83

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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.