Home / 4,764.69-7,139.75-2,164.59

Finding the Fourth Proportional to 4,764.69, 7,139.75 and 2,164.59

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Solution

The fourth proportional to 4,764.69, 7,139.75 and 2,164.59 is: 3,243.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,764.69 : 7,139.75 = 2,164.59 : x
  2. Step 2: Convert to fraction form
    4,764.69/7,139.75 = 2,164.59/x
  3. Step 3: Cross multiply
    4,764.69x = 7,139.75 × 2,164.59
  4. Step 4: Simplify right side
    4,764.69x = 15,454,620.63
  5. Step 5: Solve for x
    x = 15,454,620.63/4,764.69
  6. Step 6: Final answer
    x = 3,243.57

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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.