Home / 5,118.58-7,681.52-3,823.39

Finding the Fourth Proportional to 5,118.58, 7,681.52 and 3,823.39

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Solution

The fourth proportional to 5,118.58, 7,681.52 and 3,823.39 is: 5,737.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,118.58 : 7,681.52 = 3,823.39 : x
  2. Step 2: Convert to fraction form
    5,118.58/7,681.52 = 3,823.39/x
  3. Step 3: Cross multiply
    5,118.58x = 7,681.52 × 3,823.39
  4. Step 4: Simplify right side
    5,118.58x = 29,369,446.75
  5. Step 5: Solve for x
    x = 29,369,446.75/5,118.58
  6. Step 6: Final answer
    x = 5,737.81

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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.