Home / 4,847.40-7,271.22-1,727.88

Finding the Fourth Proportional to 4,847.40, 7,271.22 and 1,727.88

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Solution

The fourth proportional to 4,847.40, 7,271.22 and 1,727.88 is: 2,591.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,847.40 : 7,271.22 = 1,727.88 : x
  2. Step 2: Convert to fraction form
    4,847.40/7,271.22 = 1,727.88/x
  3. Step 3: Cross multiply
    4,847.40x = 7,271.22 × 1,727.88
  4. Step 4: Simplify right side
    4,847.40x = 12,563,795.61
  5. Step 5: Solve for x
    x = 12,563,795.61/4,847.40
  6. Step 6: Final answer
    x = 2,591.86

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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.