Home / 6,239.98-8,610.87-3,586.78

Finding the Fourth Proportional to 6,239.98, 8,610.87 and 3,586.78

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Solution

The fourth proportional to 6,239.98, 8,610.87 and 3,586.78 is: 4,949.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,239.98 : 8,610.87 = 3,586.78 : x
  2. Step 2: Convert to fraction form
    6,239.98/8,610.87 = 3,586.78/x
  3. Step 3: Cross multiply
    6,239.98x = 8,610.87 × 3,586.78
  4. Step 4: Simplify right side
    6,239.98x = 30,885,296.30
  5. Step 5: Solve for x
    x = 30,885,296.30/6,239.98
  6. Step 6: Final answer
    x = 4,949.58

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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.