Home / 4,271.58-6,390.47-3,234.57

Finding the Fourth Proportional to 4,271.58, 6,390.47 and 3,234.57

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Solution

The fourth proportional to 4,271.58, 6,390.47 and 3,234.57 is: 4,839.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,271.58 : 6,390.47 = 3,234.57 : x
  2. Step 2: Convert to fraction form
    4,271.58/6,390.47 = 3,234.57/x
  3. Step 3: Cross multiply
    4,271.58x = 6,390.47 × 3,234.57
  4. Step 4: Simplify right side
    4,271.58x = 20,670,406.38
  5. Step 5: Solve for x
    x = 20,670,406.38/4,271.58
  6. Step 6: Final answer
    x = 4,839.05

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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.