Home / 8,131.66-12,207.19-4,846.30

Finding the Fourth Proportional to 8,131.66, 12,207.19 and 4,846.30

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Solution

The fourth proportional to 8,131.66, 12,207.19 and 4,846.30 is: 7,275.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,131.66 : 12,207.19 = 4,846.30 : x
  2. Step 2: Convert to fraction form
    8,131.66/12,207.19 = 4,846.30/x
  3. Step 3: Cross multiply
    8,131.66x = 12,207.19 × 4,846.30
  4. Step 4: Simplify right side
    8,131.66x = 59,159,704.90
  5. Step 5: Solve for x
    x = 59,159,704.90/8,131.66
  6. Step 6: Final answer
    x = 7,275.23

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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.