Home / 7,400.45-11,102.61-3,241.28

Finding the Fourth Proportional to 7,400.45, 11,102.61 and 3,241.28

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Solution

The fourth proportional to 7,400.45, 11,102.61 and 3,241.28 is: 4,862.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,400.45 : 11,102.61 = 3,241.28 : x
  2. Step 2: Convert to fraction form
    7,400.45/11,102.61 = 3,241.28/x
  3. Step 3: Cross multiply
    7,400.45x = 11,102.61 × 3,241.28
  4. Step 4: Simplify right side
    7,400.45x = 35,986,612.23
  5. Step 5: Solve for x
    x = 35,986,612.23/7,400.45
  6. Step 6: Final answer
    x = 4,862.76

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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.