Home / 4,928.94-7,398.29-2,157.53

Finding the Fourth Proportional to 4,928.94, 7,398.29 and 2,157.53

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Solution

The fourth proportional to 4,928.94, 7,398.29 and 2,157.53 is: 3,238.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,928.94 : 7,398.29 = 2,157.53 : x
  2. Step 2: Convert to fraction form
    4,928.94/7,398.29 = 2,157.53/x
  3. Step 3: Cross multiply
    4,928.94x = 7,398.29 × 2,157.53
  4. Step 4: Simplify right side
    4,928.94x = 15,962,001.03
  5. Step 5: Solve for x
    x = 15,962,001.03/4,928.94
  6. Step 6: Final answer
    x = 3,238.42

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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.