Home / 4,327.74-6,490.90-1,207.96

Finding the Fourth Proportional to 4,327.74, 6,490.90 and 1,207.96

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Solution

The fourth proportional to 4,327.74, 6,490.90 and 1,207.96 is: 1,811.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,327.74 : 6,490.90 = 1,207.96 : x
  2. Step 2: Convert to fraction form
    4,327.74/6,490.90 = 1,207.96/x
  3. Step 3: Cross multiply
    4,327.74x = 6,490.90 × 1,207.96
  4. Step 4: Simplify right side
    4,327.74x = 7,840,747.56
  5. Step 5: Solve for x
    x = 7,840,747.56/4,327.74
  6. Step 6: Final answer
    x = 1,811.74

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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.