Home / 6,409.24-9,601.42-4,211.30

Finding the Fourth Proportional to 6,409.24, 9,601.42 and 4,211.30

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Solution

The fourth proportional to 6,409.24, 9,601.42 and 4,211.30 is: 6,308.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,409.24 : 9,601.42 = 4,211.30 : x
  2. Step 2: Convert to fraction form
    6,409.24/9,601.42 = 4,211.30/x
  3. Step 3: Cross multiply
    6,409.24x = 9,601.42 × 4,211.30
  4. Step 4: Simplify right side
    6,409.24x = 40,434,460.05
  5. Step 5: Solve for x
    x = 40,434,460.05/6,409.24
  6. Step 6: Final answer
    x = 6,308.78

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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.