Home / 8,162.09-11,260.45-5,328.56

Finding the Fourth Proportional to 8,162.09, 11,260.45 and 5,328.56

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Solution

The fourth proportional to 8,162.09, 11,260.45 and 5,328.56 is: 7,351.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,162.09 : 11,260.45 = 5,328.56 : x
  2. Step 2: Convert to fraction form
    8,162.09/11,260.45 = 5,328.56/x
  3. Step 3: Cross multiply
    8,162.09x = 11,260.45 × 5,328.56
  4. Step 4: Simplify right side
    8,162.09x = 60,001,913.83
  5. Step 5: Solve for x
    x = 60,001,913.83/8,162.09
  6. Step 6: Final answer
    x = 7,351.30

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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.