Home / 8,127.35-11,215.74-4,401.35

Finding the Fourth Proportional to 8,127.35, 11,215.74 and 4,401.35

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Solution

The fourth proportional to 8,127.35, 11,215.74 and 4,401.35 is: 6,073.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,127.35 : 11,215.74 = 4,401.35 : x
  2. Step 2: Convert to fraction form
    8,127.35/11,215.74 = 4,401.35/x
  3. Step 3: Cross multiply
    8,127.35x = 11,215.74 × 4,401.35
  4. Step 4: Simplify right side
    8,127.35x = 49,364,462.82
  5. Step 5: Solve for x
    x = 49,364,462.82/8,127.35
  6. Step 6: Final answer
    x = 6,073.87

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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.