Home / 6,110.40-9,165.60-3,189.60

Finding the Fourth Proportional to 6,110.40, 9,165.60 and 3,189.60

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Solution

The fourth proportional to 6,110.40, 9,165.60 and 3,189.60 is: 4,784.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,110.40 : 9,165.60 = 3,189.60 : x
  2. Step 2: Convert to fraction form
    6,110.40/9,165.60 = 3,189.60/x
  3. Step 3: Cross multiply
    6,110.40x = 9,165.60 × 3,189.60
  4. Step 4: Simplify right side
    6,110.40x = 29,234,597.76
  5. Step 5: Solve for x
    x = 29,234,597.76/6,110.40
  6. Step 6: Final answer
    x = 4,784.40

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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.