Home / 4,405.68-6,607.98-1,940.04

Finding the Fourth Proportional to 4,405.68, 6,607.98 and 1,940.04

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Solution

The fourth proportional to 4,405.68, 6,607.98 and 1,940.04 is: 2,909.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,405.68 : 6,607.98 = 1,940.04 : x
  2. Step 2: Convert to fraction form
    4,405.68/6,607.98 = 1,940.04/x
  3. Step 3: Cross multiply
    4,405.68x = 6,607.98 × 1,940.04
  4. Step 4: Simplify right side
    4,405.68x = 12,819,745.52
  5. Step 5: Solve for x
    x = 12,819,745.52/4,405.68
  6. Step 6: Final answer
    x = 2,909.82

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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.