Home / 8,800.80-12,145.09-4,821.91

Finding the Fourth Proportional to 8,800.80, 12,145.09 and 4,821.91

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Solution

The fourth proportional to 8,800.80, 12,145.09 and 4,821.91 is: 6,654.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,800.80 : 12,145.09 = 4,821.91 : x
  2. Step 2: Convert to fraction form
    8,800.80/12,145.09 = 4,821.91/x
  3. Step 3: Cross multiply
    8,800.80x = 12,145.09 × 4,821.91
  4. Step 4: Simplify right side
    8,800.80x = 58,562,530.92
  5. Step 5: Solve for x
    x = 58,562,530.92/8,800.80
  6. Step 6: Final answer
    x = 6,654.23

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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.