Home / 6,817.62-10,228.86-3,898.38

Finding the Fourth Proportional to 6,817.62, 10,228.86 and 3,898.38

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Solution

The fourth proportional to 6,817.62, 10,228.86 and 3,898.38 is: 5,848.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,817.62 : 10,228.86 = 3,898.38 : x
  2. Step 2: Convert to fraction form
    6,817.62/10,228.86 = 3,898.38/x
  3. Step 3: Cross multiply
    6,817.62x = 10,228.86 × 3,898.38
  4. Step 4: Simplify right side
    6,817.62x = 39,875,983.25
  5. Step 5: Solve for x
    x = 39,875,983.25/6,817.62
  6. Step 6: Final answer
    x = 5,848.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.