Home / 8,268.76-11,409.28-5,282.29

Finding the Fourth Proportional to 8,268.76, 11,409.28 and 5,282.29

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Solution

The fourth proportional to 8,268.76, 11,409.28 and 5,282.29 is: 7,288.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,268.76 : 11,409.28 = 5,282.29 : x
  2. Step 2: Convert to fraction form
    8,268.76/11,409.28 = 5,282.29/x
  3. Step 3: Cross multiply
    8,268.76x = 11,409.28 × 5,282.29
  4. Step 4: Simplify right side
    8,268.76x = 60,267,125.65
  5. Step 5: Solve for x
    x = 60,267,125.65/8,268.76
  6. Step 6: Final answer
    x = 7,288.53

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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.