Home / 6,464.70-9,701.85-2,571.90

Finding the Fourth Proportional to 6,464.70, 9,701.85 and 2,571.90

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Solution

The fourth proportional to 6,464.70, 9,701.85 and 2,571.90 is: 3,859.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,464.70 : 9,701.85 = 2,571.90 : x
  2. Step 2: Convert to fraction form
    6,464.70/9,701.85 = 2,571.90/x
  3. Step 3: Cross multiply
    6,464.70x = 9,701.85 × 2,571.90
  4. Step 4: Simplify right side
    6,464.70x = 24,952,188.02
  5. Step 5: Solve for x
    x = 24,952,188.02/6,464.70
  6. Step 6: Final answer
    x = 3,859.76

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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.