Home / 8,269.43-11,406.14-5,283.94

Finding the Fourth Proportional to 8,269.43, 11,406.14 and 5,283.94

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Solution

The fourth proportional to 8,269.43, 11,406.14 and 5,283.94 is: 7,288.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,269.43 : 11,406.14 = 5,283.94 : x
  2. Step 2: Convert to fraction form
    8,269.43/11,406.14 = 5,283.94/x
  3. Step 3: Cross multiply
    8,269.43x = 11,406.14 × 5,283.94
  4. Step 4: Simplify right side
    8,269.43x = 60,269,302.36
  5. Step 5: Solve for x
    x = 60,269,302.36/8,269.43
  6. Step 6: Final answer
    x = 7,288.21

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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.