Home / 8,163.90-11,267.22-4,627.08

Finding the Fourth Proportional to 8,163.90, 11,267.22 and 4,627.08

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Solution

The fourth proportional to 8,163.90, 11,267.22 and 4,627.08 is: 6,385.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,163.90 : 11,267.22 = 4,627.08 : x
  2. Step 2: Convert to fraction form
    8,163.90/11,267.22 = 4,627.08/x
  3. Step 3: Cross multiply
    8,163.90x = 11,267.22 × 4,627.08
  4. Step 4: Simplify right side
    8,163.90x = 52,134,328.32
  5. Step 5: Solve for x
    x = 52,134,328.32/8,163.90
  6. Step 6: Final answer
    x = 6,385.96

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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.