Home / 4,435.18-6,654.28-2,789.80

Finding the Fourth Proportional to 4,435.18, 6,654.28 and 2,789.80

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Solution

The fourth proportional to 4,435.18, 6,654.28 and 2,789.80 is: 4,185.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,435.18 : 6,654.28 = 2,789.80 : x
  2. Step 2: Convert to fraction form
    4,435.18/6,654.28 = 2,789.80/x
  3. Step 3: Cross multiply
    4,435.18x = 6,654.28 × 2,789.80
  4. Step 4: Simplify right side
    4,435.18x = 18,564,110.34
  5. Step 5: Solve for x
    x = 18,564,110.34/4,435.18
  6. Step 6: Final answer
    x = 4,185.65

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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.