Home / 8,203.27-12,302.35-2,655.47

Finding the Fourth Proportional to 8,203.27, 12,302.35 and 2,655.47

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Solution

The fourth proportional to 8,203.27, 12,302.35 and 2,655.47 is: 3,982.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,203.27 : 12,302.35 = 2,655.47 : x
  2. Step 2: Convert to fraction form
    8,203.27/12,302.35 = 2,655.47/x
  3. Step 3: Cross multiply
    8,203.27x = 12,302.35 × 2,655.47
  4. Step 4: Simplify right side
    8,203.27x = 32,668,521.35
  5. Step 5: Solve for x
    x = 32,668,521.35/8,203.27
  6. Step 6: Final answer
    x = 3,982.38

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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.