Home / 6,200.20-9,300.30-3,742.60

Finding the Fourth Proportional to 6,200.20, 9,300.30 and 3,742.60

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Solution

The fourth proportional to 6,200.20, 9,300.30 and 3,742.60 is: 5,613.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,200.20 : 9,300.30 = 3,742.60 : x
  2. Step 2: Convert to fraction form
    6,200.20/9,300.30 = 3,742.60/x
  3. Step 3: Cross multiply
    6,200.20x = 9,300.30 × 3,742.60
  4. Step 4: Simplify right side
    6,200.20x = 34,807,302.78
  5. Step 5: Solve for x
    x = 34,807,302.78/6,200.20
  6. Step 6: Final answer
    x = 5,613.90

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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.