Home / 5,118.68-7,675.28-1,829.98

Finding the Fourth Proportional to 5,118.68, 7,675.28 and 1,829.98

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Solution

The fourth proportional to 5,118.68, 7,675.28 and 1,829.98 is: 2,743.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,118.68 : 7,675.28 = 1,829.98 : x
  2. Step 2: Convert to fraction form
    5,118.68/7,675.28 = 1,829.98/x
  3. Step 3: Cross multiply
    5,118.68x = 7,675.28 × 1,829.98
  4. Step 4: Simplify right side
    5,118.68x = 14,045,580.56
  5. Step 5: Solve for x
    x = 14,045,580.56/5,118.68
  6. Step 6: Final answer
    x = 2,743.99

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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.