Home / 8,127.42-11,215.85-4,401.42

Finding the Fourth Proportional to 8,127.42, 11,215.85 and 4,401.42

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Solution

The fourth proportional to 8,127.42, 11,215.85 and 4,401.42 is: 6,073.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,127.42 : 11,215.85 = 4,401.42 : x
  2. Step 2: Convert to fraction form
    8,127.42/11,215.85 = 4,401.42/x
  3. Step 3: Cross multiply
    8,127.42x = 11,215.85 × 4,401.42
  4. Step 4: Simplify right side
    8,127.42x = 49,365,644.50
  5. Step 5: Solve for x
    x = 49,365,644.50/8,127.42
  6. Step 6: Final answer
    x = 6,073.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.