Home / 6,809.22-10,212.61-1,811.62

Finding the Fourth Proportional to 6,809.22, 10,212.61 and 1,811.62

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Solution

The fourth proportional to 6,809.22, 10,212.61 and 1,811.62 is: 2,717.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,809.22 : 10,212.61 = 1,811.62 : x
  2. Step 2: Convert to fraction form
    6,809.22/10,212.61 = 1,811.62/x
  3. Step 3: Cross multiply
    6,809.22x = 10,212.61 × 1,811.62
  4. Step 4: Simplify right side
    6,809.22x = 18,501,368.53
  5. Step 5: Solve for x
    x = 18,501,368.53/6,809.22
  6. Step 6: Final answer
    x = 2,717.11

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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.