Home / 4,165.20-5,748.64-3,168.88

Finding the Fourth Proportional to 4,165.20, 5,748.64 and 3,168.88

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Solution

The fourth proportional to 4,165.20, 5,748.64 and 3,168.88 is: 4,373.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,165.20 : 5,748.64 = 3,168.88 : x
  2. Step 2: Convert to fraction form
    4,165.20/5,748.64 = 3,168.88/x
  3. Step 3: Cross multiply
    4,165.20x = 5,748.64 × 3,168.88
  4. Step 4: Simplify right side
    4,165.20x = 18,216,750.32
  5. Step 5: Solve for x
    x = 18,216,750.32/4,165.20
  6. Step 6: Final answer
    x = 4,373.56

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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.