Home / 4,272.52-6,409.98-3,103.68

Finding the Fourth Proportional to 4,272.52, 6,409.98 and 3,103.68

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Solution

The fourth proportional to 4,272.52, 6,409.98 and 3,103.68 is: 4,656.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,272.52 : 6,409.98 = 3,103.68 : x
  2. Step 2: Convert to fraction form
    4,272.52/6,409.98 = 3,103.68/x
  3. Step 3: Cross multiply
    4,272.52x = 6,409.98 × 3,103.68
  4. Step 4: Simplify right side
    4,272.52x = 19,894,526.73
  5. Step 5: Solve for x
    x = 19,894,526.73/4,272.52
  6. Step 6: Final answer
    x = 4,656.39

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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.