Home / 6,278.09-8,663.69-3,625.44

Finding the Fourth Proportional to 6,278.09, 8,663.69 and 3,625.44

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Solution

The fourth proportional to 6,278.09, 8,663.69 and 3,625.44 is: 5,003.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,278.09 : 8,663.69 = 3,625.44 : x
  2. Step 2: Convert to fraction form
    6,278.09/8,663.69 = 3,625.44/x
  3. Step 3: Cross multiply
    6,278.09x = 8,663.69 × 3,625.44
  4. Step 4: Simplify right side
    6,278.09x = 31,409,670.15
  5. Step 5: Solve for x
    x = 31,409,670.15/6,278.09
  6. Step 6: Final answer
    x = 5,003.07

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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.