Home / 4,458.36-6,681.75-1,822.80

Finding the Fourth Proportional to 4,458.36, 6,681.75 and 1,822.80

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Solution

The fourth proportional to 4,458.36, 6,681.75 and 1,822.80 is: 2,731.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,458.36 : 6,681.75 = 1,822.80 : x
  2. Step 2: Convert to fraction form
    4,458.36/6,681.75 = 1,822.80/x
  3. Step 3: Cross multiply
    4,458.36x = 6,681.75 × 1,822.80
  4. Step 4: Simplify right side
    4,458.36x = 12,179,493.90
  5. Step 5: Solve for x
    x = 12,179,493.90/4,458.36
  6. Step 6: Final answer
    x = 2,731.83

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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.