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Finding the Fourth Proportional to 6,763.19, 10,135.04 and 3,835.31

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Solution

The fourth proportional to 6,763.19, 10,135.04 and 3,835.31 is: 5,747.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,763.19 : 10,135.04 = 3,835.31 : x
  2. Step 2: Convert to fraction form
    6,763.19/10,135.04 = 3,835.31/x
  3. Step 3: Cross multiply
    6,763.19x = 10,135.04 × 3,835.31
  4. Step 4: Simplify right side
    6,763.19x = 38,870,950.41
  5. Step 5: Solve for x
    x = 38,870,950.41/6,763.19
  6. Step 6: Final answer
    x = 5,747.43

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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.