Home / 7,329.60-10,994.88-3,170.40

Finding the Fourth Proportional to 7,329.60, 10,994.88 and 3,170.40

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Solution

The fourth proportional to 7,329.60, 10,994.88 and 3,170.40 is: 4,755.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,329.60 : 10,994.88 = 3,170.40 : x
  2. Step 2: Convert to fraction form
    7,329.60/10,994.88 = 3,170.40/x
  3. Step 3: Cross multiply
    7,329.60x = 10,994.88 × 3,170.40
  4. Step 4: Simplify right side
    7,329.60x = 34,858,167.55
  5. Step 5: Solve for x
    x = 34,858,167.55/7,329.60
  6. Step 6: Final answer
    x = 4,755.81

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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.