Home / 8,259.29-11,398.38-4,674.25

Finding the Fourth Proportional to 8,259.29, 11,398.38 and 4,674.25

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Solution

The fourth proportional to 8,259.29, 11,398.38 and 4,674.25 is: 6,450.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,259.29 : 11,398.38 = 4,674.25 : x
  2. Step 2: Convert to fraction form
    8,259.29/11,398.38 = 4,674.25/x
  3. Step 3: Cross multiply
    8,259.29x = 11,398.38 × 4,674.25
  4. Step 4: Simplify right side
    8,259.29x = 53,278,877.72
  5. Step 5: Solve for x
    x = 53,278,877.72/8,259.29
  6. Step 6: Final answer
    x = 6,450.78

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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.