Home / 4,451.31-6,139.62-2,958.48

Finding the Fourth Proportional to 4,451.31, 6,139.62 and 2,958.48

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Solution

The fourth proportional to 4,451.31, 6,139.62 and 2,958.48 is: 4,080.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,451.31 : 6,139.62 = 2,958.48 : x
  2. Step 2: Convert to fraction form
    4,451.31/6,139.62 = 2,958.48/x
  3. Step 3: Cross multiply
    4,451.31x = 6,139.62 × 2,958.48
  4. Step 4: Simplify right side
    4,451.31x = 18,163,942.98
  5. Step 5: Solve for x
    x = 18,163,942.98/4,451.31
  6. Step 6: Final answer
    x = 4,080.58

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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.