Home / 4,640.20-6,960.27-1,678.63

Finding the Fourth Proportional to 4,640.20, 6,960.27 and 1,678.63

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Solution

The fourth proportional to 4,640.20, 6,960.27 and 1,678.63 is: 2,517.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,640.20 : 6,960.27 = 1,678.63 : x
  2. Step 2: Convert to fraction form
    4,640.20/6,960.27 = 1,678.63/x
  3. Step 3: Cross multiply
    4,640.20x = 6,960.27 × 1,678.63
  4. Step 4: Simplify right side
    4,640.20x = 11,683,683.23
  5. Step 5: Solve for x
    x = 11,683,683.23/4,640.20
  6. Step 6: Final answer
    x = 2,517.93

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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.