Home / 8,543.30-12,815.04-2,699.96

Finding the Fourth Proportional to 8,543.30, 12,815.04 and 2,699.96

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Solution

The fourth proportional to 8,543.30, 12,815.04 and 2,699.96 is: 4,049.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,543.30 : 12,815.04 = 2,699.96 : x
  2. Step 2: Convert to fraction form
    8,543.30/12,815.04 = 2,699.96/x
  3. Step 3: Cross multiply
    8,543.30x = 12,815.04 × 2,699.96
  4. Step 4: Simplify right side
    8,543.30x = 34,600,095.40
  5. Step 5: Solve for x
    x = 34,600,095.40/8,543.30
  6. Step 6: Final answer
    x = 4,049.97

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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.