Home / 4,720.06-7,076.98-2,640.28

Finding the Fourth Proportional to 4,720.06, 7,076.98 and 2,640.28

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Solution

The fourth proportional to 4,720.06, 7,076.98 and 2,640.28 is: 3,958.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,720.06 : 7,076.98 = 2,640.28 : x
  2. Step 2: Convert to fraction form
    4,720.06/7,076.98 = 2,640.28/x
  3. Step 3: Cross multiply
    4,720.06x = 7,076.98 × 2,640.28
  4. Step 4: Simplify right side
    4,720.06x = 18,685,208.75
  5. Step 5: Solve for x
    x = 18,685,208.75/4,720.06
  6. Step 6: Final answer
    x = 3,958.68

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1.5x scale

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.