Home / 7,459.86-11,190.42-2,265.78

Finding the Fourth Proportional to 7,459.86, 11,190.42 and 2,265.78

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Solution

The fourth proportional to 7,459.86, 11,190.42 and 2,265.78 is: 3,398.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,459.86 : 11,190.42 = 2,265.78 : x
  2. Step 2: Convert to fraction form
    7,459.86/11,190.42 = 2,265.78/x
  3. Step 3: Cross multiply
    7,459.86x = 11,190.42 × 2,265.78
  4. Step 4: Simplify right side
    7,459.86x = 25,355,029.83
  5. Step 5: Solve for x
    x = 25,355,029.83/7,459.86
  6. Step 6: Final answer
    x = 3,398.86

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1.5x scale

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.