Home / 4,659.40-6,431.94-3,089.80

Finding the Fourth Proportional to 4,659.40, 6,431.94 and 3,089.80

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Solution

The fourth proportional to 4,659.40, 6,431.94 and 3,089.80 is: 4,265.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,659.40 : 6,431.94 = 3,089.80 : x
  2. Step 2: Convert to fraction form
    4,659.40/6,431.94 = 3,089.80/x
  3. Step 3: Cross multiply
    4,659.40x = 6,431.94 × 3,089.80
  4. Step 4: Simplify right side
    4,659.40x = 19,873,408.21
  5. Step 5: Solve for x
    x = 19,873,408.21/4,659.40
  6. Step 6: Final answer
    x = 4,265.23

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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.