Home / 4,381.64-6,572.91-1,419.86

Finding the Fourth Proportional to 4,381.64, 6,572.91 and 1,419.86

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Solution

The fourth proportional to 4,381.64, 6,572.91 and 1,419.86 is: 2,129.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,381.64 : 6,572.91 = 1,419.86 : x
  2. Step 2: Convert to fraction form
    4,381.64/6,572.91 = 1,419.86/x
  3. Step 3: Cross multiply
    4,381.64x = 6,572.91 × 1,419.86
  4. Step 4: Simplify right side
    4,381.64x = 9,332,611.99
  5. Step 5: Solve for x
    x = 9,332,611.99/4,381.64
  6. Step 6: Final answer
    x = 2,129.94

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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.