Home / 5,355.70-7,390.90-2,997.83

Finding the Fourth Proportional to 5,355.70, 7,390.90 and 2,997.83

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Solution

The fourth proportional to 5,355.70, 7,390.90 and 2,997.83 is: 4,137.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,355.70 : 7,390.90 = 2,997.83 : x
  2. Step 2: Convert to fraction form
    5,355.70/7,390.90 = 2,997.83/x
  3. Step 3: Cross multiply
    5,355.70x = 7,390.90 × 2,997.83
  4. Step 4: Simplify right side
    5,355.70x = 22,156,661.75
  5. Step 5: Solve for x
    x = 22,156,661.75/5,355.70
  6. Step 6: Final answer
    x = 4,137.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.