Home / 6,396.20-9,598.38-3,107.50

Finding the Fourth Proportional to 6,396.20, 9,598.38 and 3,107.50

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Solution

The fourth proportional to 6,396.20, 9,598.38 and 3,107.50 is: 4,663.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,396.20 : 9,598.38 = 3,107.50 : x
  2. Step 2: Convert to fraction form
    6,396.20/9,598.38 = 3,107.50/x
  3. Step 3: Cross multiply
    6,396.20x = 9,598.38 × 3,107.50
  4. Step 4: Simplify right side
    6,396.20x = 29,826,941.85
  5. Step 5: Solve for x
    x = 29,826,941.85/6,396.20
  6. Step 6: Final answer
    x = 4,663.23

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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.