Home / 8,832.81-13,245.57-2,988.66

Finding the Fourth Proportional to 8,832.81, 13,245.57 and 2,988.66

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Solution

The fourth proportional to 8,832.81, 13,245.57 and 2,988.66 is: 4,481.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,832.81 : 13,245.57 = 2,988.66 : x
  2. Step 2: Convert to fraction form
    8,832.81/13,245.57 = 2,988.66/x
  3. Step 3: Cross multiply
    8,832.81x = 13,245.57 × 2,988.66
  4. Step 4: Simplify right side
    8,832.81x = 39,586,505.24
  5. Step 5: Solve for x
    x = 39,586,505.24/8,832.81
  6. Step 6: Final answer
    x = 4,481.76

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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.