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Finding the Fourth Proportional to 6,239.43, 9,337.41 and 3,866.40

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Solution

The fourth proportional to 6,239.43, 9,337.41 and 3,866.40 is: 5,786.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,239.43 : 9,337.41 = 3,866.40 : x
  2. Step 2: Convert to fraction form
    6,239.43/9,337.41 = 3,866.40/x
  3. Step 3: Cross multiply
    6,239.43x = 9,337.41 × 3,866.40
  4. Step 4: Simplify right side
    6,239.43x = 36,102,162.02
  5. Step 5: Solve for x
    x = 36,102,162.02/6,239.43
  6. Step 6: Final answer
    x = 5,786.13

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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.