Home / 4,309.55-6,451.56-2,660.79

Finding the Fourth Proportional to 4,309.55, 6,451.56 and 2,660.79

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Solution

The fourth proportional to 4,309.55, 6,451.56 and 2,660.79 is: 3,983.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,309.55 : 6,451.56 = 2,660.79 : x
  2. Step 2: Convert to fraction form
    4,309.55/6,451.56 = 2,660.79/x
  3. Step 3: Cross multiply
    4,309.55x = 6,451.56 × 2,660.79
  4. Step 4: Simplify right side
    4,309.55x = 17,166,272.44
  5. Step 5: Solve for x
    x = 17,166,272.44/4,309.55
  6. Step 6: Final answer
    x = 3,983.31

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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.