Home / 7,122.20-10,683.30-2,504.60

Finding the Fourth Proportional to 7,122.20, 10,683.30 and 2,504.60

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Solution

The fourth proportional to 7,122.20, 10,683.30 and 2,504.60 is: 3,756.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,122.20 : 10,683.30 = 2,504.60 : x
  2. Step 2: Convert to fraction form
    7,122.20/10,683.30 = 2,504.60/x
  3. Step 3: Cross multiply
    7,122.20x = 10,683.30 × 2,504.60
  4. Step 4: Simplify right side
    7,122.20x = 26,757,393.18
  5. Step 5: Solve for x
    x = 26,757,393.18/7,122.20
  6. Step 6: Final answer
    x = 3,756.90

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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.