Home / 4,097.20-6,145.82-1,323.88

Finding the Fourth Proportional to 4,097.20, 6,145.82 and 1,323.88

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Solution

The fourth proportional to 4,097.20, 6,145.82 and 1,323.88 is: 1,985.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,097.20 : 6,145.82 = 1,323.88 : x
  2. Step 2: Convert to fraction form
    4,097.20/6,145.82 = 1,323.88/x
  3. Step 3: Cross multiply
    4,097.20x = 6,145.82 × 1,323.88
  4. Step 4: Simplify right side
    4,097.20x = 8,136,328.18
  5. Step 5: Solve for x
    x = 8,136,328.18/4,097.20
  6. Step 6: Final answer
    x = 1,985.83

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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.