Home / 7,350.86-11,027.91-2,420.30

Finding the Fourth Proportional to 7,350.86, 11,027.91 and 2,420.30

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Solution

The fourth proportional to 7,350.86, 11,027.91 and 2,420.30 is: 3,630.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,350.86 : 11,027.91 = 2,420.30 : x
  2. Step 2: Convert to fraction form
    7,350.86/11,027.91 = 2,420.30/x
  3. Step 3: Cross multiply
    7,350.86x = 11,027.91 × 2,420.30
  4. Step 4: Simplify right side
    7,350.86x = 26,690,795.43
  5. Step 5: Solve for x
    x = 26,690,795.43/7,350.86
  6. Step 6: Final answer
    x = 3,630.98

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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.