Home / 7,817.85-11,727.92-2,270.46

Finding the Fourth Proportional to 7,817.85, 11,727.92 and 2,270.46

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Solution

The fourth proportional to 7,817.85, 11,727.92 and 2,270.46 is: 3,406.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,817.85 : 11,727.92 = 2,270.46 : x
  2. Step 2: Convert to fraction form
    7,817.85/11,727.92 = 2,270.46/x
  3. Step 3: Cross multiply
    7,817.85x = 11,727.92 × 2,270.46
  4. Step 4: Simplify right side
    7,817.85x = 26,627,822.90
  5. Step 5: Solve for x
    x = 26,627,822.90/7,817.85
  6. Step 6: Final answer
    x = 3,406.03

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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.