Home / 5,122.53-7,670.79-2,927.43

Finding the Fourth Proportional to 5,122.53, 7,670.79 and 2,927.43

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Solution

The fourth proportional to 5,122.53, 7,670.79 and 2,927.43 is: 4,383.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,122.53 : 7,670.79 = 2,927.43 : x
  2. Step 2: Convert to fraction form
    5,122.53/7,670.79 = 2,927.43/x
  3. Step 3: Cross multiply
    5,122.53x = 7,670.79 × 2,927.43
  4. Step 4: Simplify right side
    5,122.53x = 22,455,700.77
  5. Step 5: Solve for x
    x = 22,455,700.77/5,122.53
  6. Step 6: Final answer
    x = 4,383.71

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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.