Home / 8,389.52-12,589.96-3,195.26

Finding the Fourth Proportional to 8,389.52, 12,589.96 and 3,195.26

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Solution

The fourth proportional to 8,389.52, 12,589.96 and 3,195.26 is: 4,795.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,389.52 : 12,589.96 = 3,195.26 : x
  2. Step 2: Convert to fraction form
    8,389.52/12,589.96 = 3,195.26/x
  3. Step 3: Cross multiply
    8,389.52x = 12,589.96 × 3,195.26
  4. Step 4: Simplify right side
    8,389.52x = 40,228,195.59
  5. Step 5: Solve for x
    x = 40,228,195.59/8,389.52
  6. Step 6: Final answer
    x = 4,795.05

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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.