Home / 4,405.73-6,607.71-1,939.95

Finding the Fourth Proportional to 4,405.73, 6,607.71 and 1,939.95

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Solution

The fourth proportional to 4,405.73, 6,607.71 and 1,939.95 is: 2,909.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,405.73 : 6,607.71 = 1,939.95 : x
  2. Step 2: Convert to fraction form
    4,405.73/6,607.71 = 1,939.95/x
  3. Step 3: Cross multiply
    4,405.73x = 6,607.71 × 1,939.95
  4. Step 4: Simplify right side
    4,405.73x = 12,818,627.01
  5. Step 5: Solve for x
    x = 12,818,627.01/4,405.73
  6. Step 6: Final answer
    x = 2,909.54

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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.