Home / 5,157.53-7,736.90-2,966.28

Finding the Fourth Proportional to 5,157.53, 7,736.90 and 2,966.28

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Solution

The fourth proportional to 5,157.53, 7,736.90 and 2,966.28 is: 4,449.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,157.53 : 7,736.90 = 2,966.28 : x
  2. Step 2: Convert to fraction form
    5,157.53/7,736.90 = 2,966.28/x
  3. Step 3: Cross multiply
    5,157.53x = 7,736.90 × 2,966.28
  4. Step 4: Simplify right side
    5,157.53x = 22,949,811.73
  5. Step 5: Solve for x
    x = 22,949,811.73/5,157.53
  6. Step 6: Final answer
    x = 4,449.77

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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.