Home / 5,157.04-7,736.16-2,965.78

Finding the Fourth Proportional to 5,157.04, 7,736.16 and 2,965.78

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Solution

The fourth proportional to 5,157.04, 7,736.16 and 2,965.78 is: 4,449.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,157.04 : 7,736.16 = 2,965.78 : x
  2. Step 2: Convert to fraction form
    5,157.04/7,736.16 = 2,965.78/x
  3. Step 3: Cross multiply
    5,157.04x = 7,736.16 × 2,965.78
  4. Step 4: Simplify right side
    5,157.04x = 22,943,748.60
  5. Step 5: Solve for x
    x = 22,943,748.60/5,157.04
  6. Step 6: Final answer
    x = 4,449.02

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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.