Home / 6,687.18-10,031.58-3,222

Finding the Fourth Proportional to 6,687.18, 10,031.58 and 3,222

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Solution

The fourth proportional to 6,687.18, 10,031.58 and 3,222 is: 4,833.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,687.18 : 10,031.58 = 3,222 : x
  2. Step 2: Convert to fraction form
    6,687.18/10,031.58 = 3,222/x
  3. Step 3: Cross multiply
    6,687.18x = 10,031.58 × 3,222
  4. Step 4: Simplify right side
    6,687.18x = 32,321,750.76
  5. Step 5: Solve for x
    x = 32,321,750.76/6,687.18
  6. Step 6: Final answer
    x = 4,833.39

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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.