Home / 6,081.60-9,122.70-3,165.60

Finding the Fourth Proportional to 6,081.60, 9,122.70 and 3,165.60

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Solution

The fourth proportional to 6,081.60, 9,122.70 and 3,165.60 is: 4,748.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,081.60 : 9,122.70 = 3,165.60 : x
  2. Step 2: Convert to fraction form
    6,081.60/9,122.70 = 3,165.60/x
  3. Step 3: Cross multiply
    6,081.60x = 9,122.70 × 3,165.60
  4. Step 4: Simplify right side
    6,081.60x = 28,878,819.12
  5. Step 5: Solve for x
    x = 28,878,819.12/6,081.60
  6. Step 6: Final answer
    x = 4,748.56

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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.