Home / 4,139.83-6,208.80-1,217.44

Finding the Fourth Proportional to 4,139.83, 6,208.80 and 1,217.44

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Solution

The fourth proportional to 4,139.83, 6,208.80 and 1,217.44 is: 1,825.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,139.83 : 6,208.80 = 1,217.44 : x
  2. Step 2: Convert to fraction form
    4,139.83/6,208.80 = 1,217.44/x
  3. Step 3: Cross multiply
    4,139.83x = 6,208.80 × 1,217.44
  4. Step 4: Simplify right side
    4,139.83x = 7,558,841.47
  5. Step 5: Solve for x
    x = 7,558,841.47/4,139.83
  6. Step 6: Final answer
    x = 1,825.88

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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.