Home / 7,817.97-11,727.14-2,271.36

Finding the Fourth Proportional to 7,817.97, 11,727.14 and 2,271.36

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Solution

The fourth proportional to 7,817.97, 11,727.14 and 2,271.36 is: 3,407.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,817.97 : 11,727.14 = 2,271.36 : x
  2. Step 2: Convert to fraction form
    7,817.97/11,727.14 = 2,271.36/x
  3. Step 3: Cross multiply
    7,817.97x = 11,727.14 × 2,271.36
  4. Step 4: Simplify right side
    7,817.97x = 26,636,545.35
  5. Step 5: Solve for x
    x = 26,636,545.35/7,817.97
  6. Step 6: Final answer
    x = 3,407.09

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1.5x scale

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.