Home / 4,619.70-6,932.88-2,749.86

Finding the Fourth Proportional to 4,619.70, 6,932.88 and 2,749.86

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Solution

The fourth proportional to 4,619.70, 6,932.88 and 2,749.86 is: 4,126.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,619.70 : 6,932.88 = 2,749.86 : x
  2. Step 2: Convert to fraction form
    4,619.70/6,932.88 = 2,749.86/x
  3. Step 3: Cross multiply
    4,619.70x = 6,932.88 × 2,749.86
  4. Step 4: Simplify right side
    4,619.70x = 19,064,449.40
  5. Step 5: Solve for x
    x = 19,064,449.40/4,619.70
  6. Step 6: Final answer
    x = 4,126.77

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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.