Home / 8,247.12-12,371.22-2,698.98

Finding the Fourth Proportional to 8,247.12, 12,371.22 and 2,698.98

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Solution

The fourth proportional to 8,247.12, 12,371.22 and 2,698.98 is: 4,048.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,247.12 : 12,371.22 = 2,698.98 : x
  2. Step 2: Convert to fraction form
    8,247.12/12,371.22 = 2,698.98/x
  3. Step 3: Cross multiply
    8,247.12x = 12,371.22 × 2,698.98
  4. Step 4: Simplify right side
    8,247.12x = 33,389,675.36
  5. Step 5: Solve for x
    x = 33,389,675.36/8,247.12
  6. Step 6: Final answer
    x = 4,048.65

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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.