Home / 4,247.60-6,372.88-1,909.26

Finding the Fourth Proportional to 4,247.60, 6,372.88 and 1,909.26

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Solution

The fourth proportional to 4,247.60, 6,372.88 and 1,909.26 is: 2,864.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,247.60 : 6,372.88 = 1,909.26 : x
  2. Step 2: Convert to fraction form
    4,247.60/6,372.88 = 1,909.26/x
  3. Step 3: Cross multiply
    4,247.60x = 6,372.88 × 1,909.26
  4. Step 4: Simplify right side
    4,247.60x = 12,167,484.87
  5. Step 5: Solve for x
    x = 12,167,484.87/4,247.60
  6. Step 6: Final answer
    x = 2,864.56

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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.