Home / 4,379.61-6,571.46-2,188.49

Finding the Fourth Proportional to 4,379.61, 6,571.46 and 2,188.49

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Solution

The fourth proportional to 4,379.61, 6,571.46 and 2,188.49 is: 3,283.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,379.61 : 6,571.46 = 2,188.49 : x
  2. Step 2: Convert to fraction form
    4,379.61/6,571.46 = 2,188.49/x
  3. Step 3: Cross multiply
    4,379.61x = 6,571.46 × 2,188.49
  4. Step 4: Simplify right side
    4,379.61x = 14,381,563.55
  5. Step 5: Solve for x
    x = 14,381,563.55/4,379.61
  6. Step 6: Final answer
    x = 3,283.75

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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.