Home / 8,906.31-13,359.33-2,666.39

Finding the Fourth Proportional to 8,906.31, 13,359.33 and 2,666.39

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Solution

The fourth proportional to 8,906.31, 13,359.33 and 2,666.39 is: 3,999.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,906.31 : 13,359.33 = 2,666.39 : x
  2. Step 2: Convert to fraction form
    8,906.31/13,359.33 = 2,666.39/x
  3. Step 3: Cross multiply
    8,906.31x = 13,359.33 × 2,666.39
  4. Step 4: Simplify right side
    8,906.31x = 35,621,117.12
  5. Step 5: Solve for x
    x = 35,621,117.12/8,906.31
  6. Step 6: Final answer
    x = 3,999.54

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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.