Home / 4,293.24-6,439.83-2,821.74

Finding the Fourth Proportional to 4,293.24, 6,439.83 and 2,821.74

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Solution

The fourth proportional to 4,293.24, 6,439.83 and 2,821.74 is: 4,232.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,293.24 : 6,439.83 = 2,821.74 : x
  2. Step 2: Convert to fraction form
    4,293.24/6,439.83 = 2,821.74/x
  3. Step 3: Cross multiply
    4,293.24x = 6,439.83 × 2,821.74
  4. Step 4: Simplify right side
    4,293.24x = 18,171,525.90
  5. Step 5: Solve for x
    x = 18,171,525.90/4,293.24
  6. Step 6: Final answer
    x = 4,232.59

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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.