Home / 8,101.09-11,162.85-6,212.59

Finding the Fourth Proportional to 8,101.09, 11,162.85 and 6,212.59

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Solution

The fourth proportional to 8,101.09, 11,162.85 and 6,212.59 is: 8,560.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,101.09 : 11,162.85 = 6,212.59 : x
  2. Step 2: Convert to fraction form
    8,101.09/11,162.85 = 6,212.59/x
  3. Step 3: Cross multiply
    8,101.09x = 11,162.85 × 6,212.59
  4. Step 4: Simplify right side
    8,101.09x = 69,350,210.28
  5. Step 5: Solve for x
    x = 69,350,210.28/8,101.09
  6. Step 6: Final answer
    x = 8,560.60

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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.