Home / 5,814.06-8,720.40-1,654.70

Finding the Fourth Proportional to 5,814.06, 8,720.40 and 1,654.70

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Solution

The fourth proportional to 5,814.06, 8,720.40 and 1,654.70 is: 2,481.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,814.06 : 8,720.40 = 1,654.70 : x
  2. Step 2: Convert to fraction form
    5,814.06/8,720.40 = 1,654.70/x
  3. Step 3: Cross multiply
    5,814.06x = 8,720.40 × 1,654.70
  4. Step 4: Simplify right side
    5,814.06x = 14,429,645.88
  5. Step 5: Solve for x
    x = 14,429,645.88/5,814.06
  6. Step 6: Final answer
    x = 2,481.85

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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.