Home / 4,921.54-7,380.63-1,410.61

Finding the Fourth Proportional to 4,921.54, 7,380.63 and 1,410.61

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Solution

The fourth proportional to 4,921.54, 7,380.63 and 1,410.61 is: 2,115.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,921.54 : 7,380.63 = 1,410.61 : x
  2. Step 2: Convert to fraction form
    4,921.54/7,380.63 = 1,410.61/x
  3. Step 3: Cross multiply
    4,921.54x = 7,380.63 × 1,410.61
  4. Step 4: Simplify right side
    4,921.54x = 10,411,190.48
  5. Step 5: Solve for x
    x = 10,411,190.48/4,921.54
  6. Step 6: Final answer
    x = 2,115.43

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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.