Home / 8,778.43-13,172.84-3,235.63

Finding the Fourth Proportional to 8,778.43, 13,172.84 and 3,235.63

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Solution

The fourth proportional to 8,778.43, 13,172.84 and 3,235.63 is: 4,855.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,778.43 : 13,172.84 = 3,235.63 : x
  2. Step 2: Convert to fraction form
    8,778.43/13,172.84 = 3,235.63/x
  3. Step 3: Cross multiply
    8,778.43x = 13,172.84 × 3,235.63
  4. Step 4: Simplify right side
    8,778.43x = 42,622,436.29
  5. Step 5: Solve for x
    x = 42,622,436.29/8,778.43
  6. Step 6: Final answer
    x = 4,855.36

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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.