Home / 8,786.36-12,127.77-6,134.63

Finding the Fourth Proportional to 8,786.36, 12,127.77 and 6,134.63

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Solution

The fourth proportional to 8,786.36, 12,127.77 and 6,134.63 is: 8,467.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,786.36 : 12,127.77 = 6,134.63 : x
  2. Step 2: Convert to fraction form
    8,786.36/12,127.77 = 6,134.63/x
  3. Step 3: Cross multiply
    8,786.36x = 12,127.77 × 6,134.63
  4. Step 4: Simplify right side
    8,786.36x = 74,399,321.04
  5. Step 5: Solve for x
    x = 74,399,321.04/8,786.36
  6. Step 6: Final answer
    x = 8,467.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.