Home / 7,191.49-10,793.37-2,812.03

Finding the Fourth Proportional to 7,191.49, 10,793.37 and 2,812.03

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Solution

The fourth proportional to 7,191.49, 10,793.37 and 2,812.03 is: 4,220.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,191.49 : 10,793.37 = 2,812.03 : x
  2. Step 2: Convert to fraction form
    7,191.49/10,793.37 = 2,812.03/x
  3. Step 3: Cross multiply
    7,191.49x = 10,793.37 × 2,812.03
  4. Step 4: Simplify right side
    7,191.49x = 30,351,280.24
  5. Step 5: Solve for x
    x = 30,351,280.24/7,191.49
  6. Step 6: Final answer
    x = 4,220.44

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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.