Home / 8,200.80-11,316.24-4,842.72

Finding the Fourth Proportional to 8,200.80, 11,316.24 and 4,842.72

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Solution

The fourth proportional to 8,200.80, 11,316.24 and 4,842.72 is: 6,682.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,200.80 : 11,316.24 = 4,842.72 : x
  2. Step 2: Convert to fraction form
    8,200.80/11,316.24 = 4,842.72/x
  3. Step 3: Cross multiply
    8,200.80x = 11,316.24 × 4,842.72
  4. Step 4: Simplify right side
    8,200.80x = 54,801,381.77
  5. Step 5: Solve for x
    x = 54,801,381.77/8,200.80
  6. Step 6: Final answer
    x = 6,682.44

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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.