Home / 4,876.28-7,314.36-2,104.90

Finding the Fourth Proportional to 4,876.28, 7,314.36 and 2,104.90

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Solution

The fourth proportional to 4,876.28, 7,314.36 and 2,104.90 is: 3,157.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,876.28 : 7,314.36 = 2,104.90 : x
  2. Step 2: Convert to fraction form
    4,876.28/7,314.36 = 2,104.90/x
  3. Step 3: Cross multiply
    4,876.28x = 7,314.36 × 2,104.90
  4. Step 4: Simplify right side
    4,876.28x = 15,395,996.36
  5. Step 5: Solve for x
    x = 15,395,996.36/4,876.28
  6. Step 6: Final answer
    x = 3,157.32

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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.