Home / 5,377.55-8,063.15-3,187.80

Finding the Fourth Proportional to 5,377.55, 8,063.15 and 3,187.80

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Solution

The fourth proportional to 5,377.55, 8,063.15 and 3,187.80 is: 4,779.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,377.55 : 8,063.15 = 3,187.80 : x
  2. Step 2: Convert to fraction form
    5,377.55/8,063.15 = 3,187.80/x
  3. Step 3: Cross multiply
    5,377.55x = 8,063.15 × 3,187.80
  4. Step 4: Simplify right side
    5,377.55x = 25,703,693.63
  5. Step 5: Solve for x
    x = 25,703,693.63/5,377.55
  6. Step 6: Final answer
    x = 4,779.82

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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.