Home / 6,239.82-8,610.88-3,407.16

Finding the Fourth Proportional to 6,239.82, 8,610.88 and 3,407.16

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Solution

The fourth proportional to 6,239.82, 8,610.88 and 3,407.16 is: 4,701.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,239.82 : 8,610.88 = 3,407.16 : x
  2. Step 2: Convert to fraction form
    6,239.82/8,610.88 = 3,407.16/x
  3. Step 3: Cross multiply
    6,239.82x = 8,610.88 × 3,407.16
  4. Step 4: Simplify right side
    6,239.82x = 29,338,645.90
  5. Step 5: Solve for x
    x = 29,338,645.90/6,239.82
  6. Step 6: Final answer
    x = 4,701.84

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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.