Home / 4,387.72-6,574.86-2,739.88

Finding the Fourth Proportional to 4,387.72, 6,574.86 and 2,739.88

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Solution

The fourth proportional to 4,387.72, 6,574.86 and 2,739.88 is: 4,105.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,387.72 : 6,574.86 = 2,739.88 : x
  2. Step 2: Convert to fraction form
    4,387.72/6,574.86 = 2,739.88/x
  3. Step 3: Cross multiply
    4,387.72x = 6,574.86 × 2,739.88
  4. Step 4: Simplify right side
    4,387.72x = 18,014,327.42
  5. Step 5: Solve for x
    x = 18,014,327.42/4,387.72
  6. Step 6: Final answer
    x = 4,105.62

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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.