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Finding the Fourth Proportional to 6,714.96, 10,071.64 and 1,784.96

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Solution

The fourth proportional to 6,714.96, 10,071.64 and 1,784.96 is: 2,677.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,714.96 : 10,071.64 = 1,784.96 : x
  2. Step 2: Convert to fraction form
    6,714.96/10,071.64 = 1,784.96/x
  3. Step 3: Cross multiply
    6,714.96x = 10,071.64 × 1,784.96
  4. Step 4: Simplify right side
    6,714.96x = 17,977,474.53
  5. Step 5: Solve for x
    x = 17,977,474.53/6,714.96
  6. Step 6: Final answer
    x = 2,677.23

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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.