Home / 5,409.14-7,459.92-3,520.02

Finding the Fourth Proportional to 5,409.14, 7,459.92 and 3,520.02

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Solution

The fourth proportional to 5,409.14, 7,459.92 and 3,520.02 is: 4,854.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,409.14 : 7,459.92 = 3,520.02 : x
  2. Step 2: Convert to fraction form
    5,409.14/7,459.92 = 3,520.02/x
  3. Step 3: Cross multiply
    5,409.14x = 7,459.92 × 3,520.02
  4. Step 4: Simplify right side
    5,409.14x = 26,259,067.60
  5. Step 5: Solve for x
    x = 26,259,067.60/5,409.14
  6. Step 6: Final answer
    x = 4,854.57

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1.5x scale

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.