Home / 8,811.36-12,159.69-4,832.85

Finding the Fourth Proportional to 8,811.36, 12,159.69 and 4,832.85

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Solution

The fourth proportional to 8,811.36, 12,159.69 and 4,832.85 is: 6,669.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,811.36 : 12,159.69 = 4,832.85 : x
  2. Step 2: Convert to fraction form
    8,811.36/12,159.69 = 4,832.85/x
  3. Step 3: Cross multiply
    8,811.36x = 12,159.69 × 4,832.85
  4. Step 4: Simplify right side
    8,811.36x = 58,765,957.82
  5. Step 5: Solve for x
    x = 58,765,957.82/8,811.36
  6. Step 6: Final answer
    x = 6,669.34

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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.