Home / 8,325.11-12,488.09-2,778.23

Finding the Fourth Proportional to 8,325.11, 12,488.09 and 2,778.23

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Solution

The fourth proportional to 8,325.11, 12,488.09 and 2,778.23 is: 4,167.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,325.11 : 12,488.09 = 2,778.23 : x
  2. Step 2: Convert to fraction form
    8,325.11/12,488.09 = 2,778.23/x
  3. Step 3: Cross multiply
    8,325.11x = 12,488.09 × 2,778.23
  4. Step 4: Simplify right side
    8,325.11x = 34,694,786.28
  5. Step 5: Solve for x
    x = 34,694,786.28/8,325.11
  6. Step 6: Final answer
    x = 4,167.49

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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.