Home / 6,239.71-8,610.86-3,407.06

Finding the Fourth Proportional to 6,239.71, 8,610.86 and 3,407.06

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Solution

The fourth proportional to 6,239.71, 8,610.86 and 3,407.06 is: 4,701.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,239.71 : 8,610.86 = 3,407.06 : x
  2. Step 2: Convert to fraction form
    6,239.71/8,610.86 = 3,407.06/x
  3. Step 3: Cross multiply
    6,239.71x = 8,610.86 × 3,407.06
  4. Step 4: Simplify right side
    6,239.71x = 29,337,716.67
  5. Step 5: Solve for x
    x = 29,337,716.67/6,239.71
  6. Step 6: Final answer
    x = 4,701.78

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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.