Home / 5,376.60-8,064.90-1,427.85

Finding the Fourth Proportional to 5,376.60, 8,064.90 and 1,427.85

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Solution

The fourth proportional to 5,376.60, 8,064.90 and 1,427.85 is: 2,141.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,376.60 : 8,064.90 = 1,427.85 : x
  2. Step 2: Convert to fraction form
    5,376.60/8,064.90 = 1,427.85/x
  3. Step 3: Cross multiply
    5,376.60x = 8,064.90 × 1,427.85
  4. Step 4: Simplify right side
    5,376.60x = 11,515,467.47
  5. Step 5: Solve for x
    x = 11,515,467.47/5,376.60
  6. Step 6: Final answer
    x = 2,141.78

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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.