Home / 7,235.64-10,851.24-2,792.28

Finding the Fourth Proportional to 7,235.64, 10,851.24 and 2,792.28

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Solution

The fourth proportional to 7,235.64, 10,851.24 and 2,792.28 is: 4,187.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,235.64 : 10,851.24 = 2,792.28 : x
  2. Step 2: Convert to fraction form
    7,235.64/10,851.24 = 2,792.28/x
  3. Step 3: Cross multiply
    7,235.64x = 10,851.24 × 2,792.28
  4. Step 4: Simplify right side
    7,235.64x = 30,299,700.43
  5. Step 5: Solve for x
    x = 30,299,700.43/7,235.64
  6. Step 6: Final answer
    x = 4,187.56

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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.