Home / 4,640.06-6,953.11-2,789.15

Finding the Fourth Proportional to 4,640.06, 6,953.11 and 2,789.15

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Solution

The fourth proportional to 4,640.06, 6,953.11 and 2,789.15 is: 4,179.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,640.06 : 6,953.11 = 2,789.15 : x
  2. Step 2: Convert to fraction form
    4,640.06/6,953.11 = 2,789.15/x
  3. Step 3: Cross multiply
    4,640.06x = 6,953.11 × 2,789.15
  4. Step 4: Simplify right side
    4,640.06x = 19,393,225.02
  5. Step 5: Solve for x
    x = 19,393,225.02/4,640.06
  6. Step 6: Final answer
    x = 4,179.52

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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.