Home / 6,504.40-9,734.20-3,909.20

Finding the Fourth Proportional to 6,504.40, 9,734.20 and 3,909.20

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Solution

The fourth proportional to 6,504.40, 9,734.20 and 3,909.20 is: 5,850.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,504.40 : 9,734.20 = 3,909.20 : x
  2. Step 2: Convert to fraction form
    6,504.40/9,734.20 = 3,909.20/x
  3. Step 3: Cross multiply
    6,504.40x = 9,734.20 × 3,909.20
  4. Step 4: Simplify right side
    6,504.40x = 38,052,934.64
  5. Step 5: Solve for x
    x = 38,052,934.64/6,504.40
  6. Step 6: Final answer
    x = 5,850.34

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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.