Home / 8,158.98-11,259.90-4,622.82

Finding the Fourth Proportional to 8,158.98, 11,259.90 and 4,622.82

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Solution

The fourth proportional to 8,158.98, 11,259.90 and 4,622.82 is: 6,379.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,158.98 : 11,259.90 = 4,622.82 : x
  2. Step 2: Convert to fraction form
    8,158.98/11,259.90 = 4,622.82/x
  3. Step 3: Cross multiply
    8,158.98x = 11,259.90 × 4,622.82
  4. Step 4: Simplify right side
    8,158.98x = 52,052,490.92
  5. Step 5: Solve for x
    x = 52,052,490.92/8,158.98
  6. Step 6: Final answer
    x = 6,379.78

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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.