Home / 4,972.26-7,457.56-1,685.28

Finding the Fourth Proportional to 4,972.26, 7,457.56 and 1,685.28

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Solution

The fourth proportional to 4,972.26, 7,457.56 and 1,685.28 is: 2,527.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,972.26 : 7,457.56 = 1,685.28 : x
  2. Step 2: Convert to fraction form
    4,972.26/7,457.56 = 1,685.28/x
  3. Step 3: Cross multiply
    4,972.26x = 7,457.56 × 1,685.28
  4. Step 4: Simplify right side
    4,972.26x = 12,568,076.72
  5. Step 5: Solve for x
    x = 12,568,076.72/4,972.26
  6. Step 6: Final answer
    x = 2,527.64

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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.