Home / 5,898.39-8,139.81-3,245.73

Finding the Fourth Proportional to 5,898.39, 8,139.81 and 3,245.73

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Solution

The fourth proportional to 5,898.39, 8,139.81 and 3,245.73 is: 4,479.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,898.39 : 8,139.81 = 3,245.73 : x
  2. Step 2: Convert to fraction form
    5,898.39/8,139.81 = 3,245.73/x
  3. Step 3: Cross multiply
    5,898.39x = 8,139.81 × 3,245.73
  4. Step 4: Simplify right side
    5,898.39x = 26,419,625.51
  5. Step 5: Solve for x
    x = 26,419,625.51/5,898.39
  6. Step 6: Final answer
    x = 4,479.12

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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.