Home / 8,125.85-12,191.09-4,797.13

Finding the Fourth Proportional to 8,125.85, 12,191.09 and 4,797.13

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Solution

The fourth proportional to 8,125.85, 12,191.09 and 4,797.13 is: 7,197.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,125.85 : 12,191.09 = 4,797.13 : x
  2. Step 2: Convert to fraction form
    8,125.85/12,191.09 = 4,797.13/x
  3. Step 3: Cross multiply
    8,125.85x = 12,191.09 × 4,797.13
  4. Step 4: Simplify right side
    8,125.85x = 58,482,302.54
  5. Step 5: Solve for x
    x = 58,482,302.54/8,125.85
  6. Step 6: Final answer
    x = 7,197.07

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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.