Home / 4,640.50-6,405.33-2,984.50

Finding the Fourth Proportional to 4,640.50, 6,405.33 and 2,984.50

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Solution

The fourth proportional to 4,640.50, 6,405.33 and 2,984.50 is: 4,119.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,640.50 : 6,405.33 = 2,984.50 : x
  2. Step 2: Convert to fraction form
    4,640.50/6,405.33 = 2,984.50/x
  3. Step 3: Cross multiply
    4,640.50x = 6,405.33 × 2,984.50
  4. Step 4: Simplify right side
    4,640.50x = 19,116,707.39
  5. Step 5: Solve for x
    x = 19,116,707.39/4,640.50
  6. Step 6: Final answer
    x = 4,119.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.