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Finding the Fourth Proportional to 5,246.99, 7,869.42 and 3,367.31

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Solution

The fourth proportional to 5,246.99, 7,869.42 and 3,367.31 is: 5,050.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,246.99 : 7,869.42 = 3,367.31 : x
  2. Step 2: Convert to fraction form
    5,246.99/7,869.42 = 3,367.31/x
  3. Step 3: Cross multiply
    5,246.99x = 7,869.42 × 3,367.31
  4. Step 4: Simplify right side
    5,246.99x = 26,498,737.31
  5. Step 5: Solve for x
    x = 26,498,737.31/5,246.99
  6. Step 6: Final answer
    x = 5,050.28

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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.