Home / 5,273.80-7,277.60-2,883.74

Finding the Fourth Proportional to 5,273.80, 7,277.60 and 2,883.74

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Solution

The fourth proportional to 5,273.80, 7,277.60 and 2,883.74 is: 3,979.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,273.80 : 7,277.60 = 2,883.74 : x
  2. Step 2: Convert to fraction form
    5,273.80/7,277.60 = 2,883.74/x
  3. Step 3: Cross multiply
    5,273.80x = 7,277.60 × 2,883.74
  4. Step 4: Simplify right side
    5,273.80x = 20,986,677.05
  5. Step 5: Solve for x
    x = 20,986,677.05/5,273.80
  6. Step 6: Final answer
    x = 3,979.42

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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.