Home / 4,623.09-6,379.98-2,830.86

Finding the Fourth Proportional to 4,623.09, 6,379.98 and 2,830.86

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Solution

The fourth proportional to 4,623.09, 6,379.98 and 2,830.86 is: 3,906.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,623.09 : 6,379.98 = 2,830.86 : x
  2. Step 2: Convert to fraction form
    4,623.09/6,379.98 = 2,830.86/x
  3. Step 3: Cross multiply
    4,623.09x = 6,379.98 × 2,830.86
  4. Step 4: Simplify right side
    4,623.09x = 18,060,830.18
  5. Step 5: Solve for x
    x = 18,060,830.18/4,623.09
  6. Step 6: Final answer
    x = 3,906.66

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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.