Home / 5,631.25-7,771.50-3,273.40

Finding the Fourth Proportional to 5,631.25, 7,771.50 and 3,273.40

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Solution

The fourth proportional to 5,631.25, 7,771.50 and 3,273.40 is: 4,517.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,631.25 : 7,771.50 = 3,273.40 : x
  2. Step 2: Convert to fraction form
    5,631.25/7,771.50 = 3,273.40/x
  3. Step 3: Cross multiply
    5,631.25x = 7,771.50 × 3,273.40
  4. Step 4: Simplify right side
    5,631.25x = 25,439,228.10
  5. Step 5: Solve for x
    x = 25,439,228.10/5,631.25
  6. Step 6: Final answer
    x = 4,517.51

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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.