Home / 4,890.73-7,334.70-1,380.52

Finding the Fourth Proportional to 4,890.73, 7,334.70 and 1,380.52

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Solution

The fourth proportional to 4,890.73, 7,334.70 and 1,380.52 is: 2,070.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,890.73 : 7,334.70 = 1,380.52 : x
  2. Step 2: Convert to fraction form
    4,890.73/7,334.70 = 1,380.52/x
  3. Step 3: Cross multiply
    4,890.73x = 7,334.70 × 1,380.52
  4. Step 4: Simplify right side
    4,890.73x = 10,125,700.04
  5. Step 5: Solve for x
    x = 10,125,700.04/4,890.73
  6. Step 6: Final answer
    x = 2,070.39

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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.