Home / 4,374.12-6,558.03-2,815.95

Finding the Fourth Proportional to 4,374.12, 6,558.03 and 2,815.95

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Solution

The fourth proportional to 4,374.12, 6,558.03 and 2,815.95 is: 4,221.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,374.12 : 6,558.03 = 2,815.95 : x
  2. Step 2: Convert to fraction form
    4,374.12/6,558.03 = 2,815.95/x
  3. Step 3: Cross multiply
    4,374.12x = 6,558.03 × 2,815.95
  4. Step 4: Simplify right side
    4,374.12x = 18,467,084.58
  5. Step 5: Solve for x
    x = 18,467,084.58/4,374.12
  6. Step 6: Final answer
    x = 4,221.90

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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.