Home / 8,259.09-11,399.07-4,722.29

Finding the Fourth Proportional to 8,259.09, 11,399.07 and 4,722.29

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Solution

The fourth proportional to 8,259.09, 11,399.07 and 4,722.29 is: 6,517.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,259.09 : 11,399.07 = 4,722.29 : x
  2. Step 2: Convert to fraction form
    8,259.09/11,399.07 = 4,722.29/x
  3. Step 3: Cross multiply
    8,259.09x = 11,399.07 × 4,722.29
  4. Step 4: Simplify right side
    8,259.09x = 53,829,657.27
  5. Step 5: Solve for x
    x = 53,829,657.27/8,259.09
  6. Step 6: Final answer
    x = 6,517.63

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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.