Home / 4,318.68-6,474.94-2,126.88

Finding the Fourth Proportional to 4,318.68, 6,474.94 and 2,126.88

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Solution

The fourth proportional to 4,318.68, 6,474.94 and 2,126.88 is: 3,188.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,318.68 : 6,474.94 = 2,126.88 : x
  2. Step 2: Convert to fraction form
    4,318.68/6,474.94 = 2,126.88/x
  3. Step 3: Cross multiply
    4,318.68x = 6,474.94 × 2,126.88
  4. Step 4: Simplify right side
    4,318.68x = 13,771,420.39
  5. Step 5: Solve for x
    x = 13,771,420.39/4,318.68
  6. Step 6: Final answer
    x = 3,188.80

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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.