Home / 5,508.05-8,262.09-3,871.92

Finding the Fourth Proportional to 5,508.05, 8,262.09 and 3,871.92

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Solution

The fourth proportional to 5,508.05, 8,262.09 and 3,871.92 is: 5,807.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,508.05 : 8,262.09 = 3,871.92 : x
  2. Step 2: Convert to fraction form
    5,508.05/8,262.09 = 3,871.92/x
  3. Step 3: Cross multiply
    5,508.05x = 8,262.09 × 3,871.92
  4. Step 4: Simplify right side
    5,508.05x = 31,990,151.51
  5. Step 5: Solve for x
    x = 31,990,151.51/5,508.05
  6. Step 6: Final answer
    x = 5,807.89

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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.