Home / 9,771.40-13,485.30-6,046.60

Finding the Fourth Proportional to 9,771.40, 13,485.30 and 6,046.60

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Solution

The fourth proportional to 9,771.40, 13,485.30 and 6,046.60 is: 8,344.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,771.40 : 13,485.30 = 6,046.60 : x
  2. Step 2: Convert to fraction form
    9,771.40/13,485.30 = 6,046.60/x
  3. Step 3: Cross multiply
    9,771.40x = 13,485.30 × 6,046.60
  4. Step 4: Simplify right side
    9,771.40x = 81,540,214.98
  5. Step 5: Solve for x
    x = 81,540,214.98/9,771.40
  6. Step 6: Final answer
    x = 8,344.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.