Home / 6,278.37-8,663.78-3,589.89

Finding the Fourth Proportional to 6,278.37, 8,663.78 and 3,589.89

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Solution

The fourth proportional to 6,278.37, 8,663.78 and 3,589.89 is: 4,953.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,278.37 : 8,663.78 = 3,589.89 : x
  2. Step 2: Convert to fraction form
    6,278.37/8,663.78 = 3,589.89/x
  3. Step 3: Cross multiply
    6,278.37x = 8,663.78 × 3,589.89
  4. Step 4: Simplify right side
    6,278.37x = 31,101,999.23
  5. Step 5: Solve for x
    x = 31,101,999.23/6,278.37
  6. Step 6: Final answer
    x = 4,953.83

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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.