Home / 6,239.57-8,610.62-3,406.95

Finding the Fourth Proportional to 6,239.57, 8,610.62 and 3,406.95

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Solution

The fourth proportional to 6,239.57, 8,610.62 and 3,406.95 is: 4,701.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,239.57 : 8,610.62 = 3,406.95 : x
  2. Step 2: Convert to fraction form
    6,239.57/8,610.62 = 3,406.95/x
  3. Step 3: Cross multiply
    6,239.57x = 8,610.62 × 3,406.95
  4. Step 4: Simplify right side
    6,239.57x = 29,335,908.76
  5. Step 5: Solve for x
    x = 29,335,908.76/6,239.57
  6. Step 6: Final answer
    x = 4,701.60

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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.