Home / 4,140.45-6,208.65-1,800.36

Finding the Fourth Proportional to 4,140.45, 6,208.65 and 1,800.36

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Solution

The fourth proportional to 4,140.45, 6,208.65 and 1,800.36 is: 2,699.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,140.45 : 6,208.65 = 1,800.36 : x
  2. Step 2: Convert to fraction form
    4,140.45/6,208.65 = 1,800.36/x
  3. Step 3: Cross multiply
    4,140.45x = 6,208.65 × 1,800.36
  4. Step 4: Simplify right side
    4,140.45x = 11,177,805.11
  5. Step 5: Solve for x
    x = 11,177,805.11/4,140.45
  6. Step 6: Final answer
    x = 2,699.66

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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.