Home / 8,146.26-12,221.55-2,952.90

Finding the Fourth Proportional to 8,146.26, 12,221.55 and 2,952.90

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Solution

The fourth proportional to 8,146.26, 12,221.55 and 2,952.90 is: 4,430.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,146.26 : 12,221.55 = 2,952.90 : x
  2. Step 2: Convert to fraction form
    8,146.26/12,221.55 = 2,952.90/x
  3. Step 3: Cross multiply
    8,146.26x = 12,221.55 × 2,952.90
  4. Step 4: Simplify right side
    8,146.26x = 36,089,015.00
  5. Step 5: Solve for x
    x = 36,089,015.00/8,146.26
  6. Step 6: Final answer
    x = 4,430.13

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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.