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Finding the Fourth Proportional to 7,305.40, 10,958.10 and 4,540.60

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Solution

The fourth proportional to 7,305.40, 10,958.10 and 4,540.60 is: 6,810.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,305.40 : 10,958.10 = 4,540.60 : x
  2. Step 2: Convert to fraction form
    7,305.40/10,958.10 = 4,540.60/x
  3. Step 3: Cross multiply
    7,305.40x = 10,958.10 × 4,540.60
  4. Step 4: Simplify right side
    7,305.40x = 49,756,348.86
  5. Step 5: Solve for x
    x = 49,756,348.86/7,305.40
  6. Step 6: Final answer
    x = 6,810.90

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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.