Home / 6,278.61-8,664.62-3,446.25

Finding the Fourth Proportional to 6,278.61, 8,664.62 and 3,446.25

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Solution

The fourth proportional to 6,278.61, 8,664.62 and 3,446.25 is: 4,755.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,278.61 : 8,664.62 = 3,446.25 : x
  2. Step 2: Convert to fraction form
    6,278.61/8,664.62 = 3,446.25/x
  3. Step 3: Cross multiply
    6,278.61x = 8,664.62 × 3,446.25
  4. Step 4: Simplify right side
    6,278.61x = 29,860,416.34
  5. Step 5: Solve for x
    x = 29,860,416.34/6,278.61
  6. Step 6: Final answer
    x = 4,755.89

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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.