Home / 4,509.20-6,222.72-2,740.43

Finding the Fourth Proportional to 4,509.20, 6,222.72 and 2,740.43

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Solution

The fourth proportional to 4,509.20, 6,222.72 and 2,740.43 is: 3,781.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,509.20 : 6,222.72 = 2,740.43 : x
  2. Step 2: Convert to fraction form
    4,509.20/6,222.72 = 2,740.43/x
  3. Step 3: Cross multiply
    4,509.20x = 6,222.72 × 2,740.43
  4. Step 4: Simplify right side
    4,509.20x = 17,052,954.40
  5. Step 5: Solve for x
    x = 17,052,954.40/4,509.20
  6. Step 6: Final answer
    x = 3,781.81

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1.5x scale

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.