Home / 5,687.06-8,530.59-2,221.88

Finding the Fourth Proportional to 5,687.06, 8,530.59 and 2,221.88

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Solution

The fourth proportional to 5,687.06, 8,530.59 and 2,221.88 is: 3,332.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,687.06 : 8,530.59 = 2,221.88 : x
  2. Step 2: Convert to fraction form
    5,687.06/8,530.59 = 2,221.88/x
  3. Step 3: Cross multiply
    5,687.06x = 8,530.59 × 2,221.88
  4. Step 4: Simplify right side
    5,687.06x = 18,953,904.66
  5. Step 5: Solve for x
    x = 18,953,904.66/5,687.06
  6. Step 6: Final answer
    x = 3,332.82

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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.