Home / 7,110.40-10,657.50-2,725.96

Finding the Fourth Proportional to 7,110.40, 10,657.50 and 2,725.96

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Solution

The fourth proportional to 7,110.40, 10,657.50 and 2,725.96 is: 4,085.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,110.40 : 10,657.50 = 2,725.96 : x
  2. Step 2: Convert to fraction form
    7,110.40/10,657.50 = 2,725.96/x
  3. Step 3: Cross multiply
    7,110.40x = 10,657.50 × 2,725.96
  4. Step 4: Simplify right side
    7,110.40x = 29,051,918.70
  5. Step 5: Solve for x
    x = 29,051,918.70/7,110.40
  6. Step 6: Final answer
    x = 4,085.83

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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.