Home / 6,239.55-8,610.74-3,551.21

Finding the Fourth Proportional to 6,239.55, 8,610.74 and 3,551.21

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Solution

The fourth proportional to 6,239.55, 8,610.74 and 3,551.21 is: 4,900.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,239.55 : 8,610.74 = 3,551.21 : x
  2. Step 2: Convert to fraction form
    6,239.55/8,610.74 = 3,551.21/x
  3. Step 3: Cross multiply
    6,239.55x = 8,610.74 × 3,551.21
  4. Step 4: Simplify right side
    6,239.55x = 30,578,485.19
  5. Step 5: Solve for x
    x = 30,578,485.19/6,239.55
  6. Step 6: Final answer
    x = 4,900.75

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Half scale
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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.