Home / 8,163.21-11,267.79-4,628.77

Finding the Fourth Proportional to 8,163.21, 11,267.79 and 4,628.77

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Solution

The fourth proportional to 8,163.21, 11,267.79 and 4,628.77 is: 6,389.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,163.21 : 11,267.79 = 4,628.77 : x
  2. Step 2: Convert to fraction form
    8,163.21/11,267.79 = 4,628.77/x
  3. Step 3: Cross multiply
    8,163.21x = 11,267.79 × 4,628.77
  4. Step 4: Simplify right side
    8,163.21x = 52,156,036.49
  5. Step 5: Solve for x
    x = 52,156,036.49/8,163.21
  6. Step 6: Final answer
    x = 6,389.16

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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.